Muhammad Ali., left, welcomes his guests along with his wife Lonnie Ali, center, at a fund raiser for the Muhammad Ali Center in his hometown of Louisville, Ky., on Saturday, Jan. 14, 2012. Ali turns 70 Tuesday. (AP Photo/ The Muhammad Ali Center) Photo: Anonymous, ASSOCIATED PRESS / AP2012

Muhammad Ali , left, celebrates his 70th birthday next to his sister-in-law, Marilyn Williams, at a fund raiser for the Muhammad Ali Center in his hometown of Louisville, Ky., on Saturday, Jan. 14, 2012. Ali turns 70 Tuesday. Photo: The Muhammad Ali Center / AP

Muhammad Ali, right, celebrates his 70th birthday next to his longtime trainer Angelo Dundee, at a fund raiser for the Muhammad Ali Center in his hometown of Louisville, Ky., on Saturday, Jan. 14, 2012. Ali turns 70 Tuesday. Photo: The Muhammad Ali Center / AP

Rahaman Ali, brother of boxing great Muhammad Ali, arrives at the Muhammad Ali Center for a birthday celebration for Muhammad Ali on Saturday, Jan. 14, 2012, in Louisville, Ky. Muhammad Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

Boxing great Muhammad Ali is helped by his wife, Lonnie, right, as he looks down from a balcony at friends attending a celebration for his 70th birthday at the Muhammad Ali Center on Saturday, Jan. 14, 2012, in Louisville, Ky. Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

Former heavyweight champion Lennox Lewis talks about boxing great Muhammad Ali as he arrives for Ali's birthday celebration at the Muhammad Ali Center on Saturday, Jan. 14, 2012, in Louisville, Ky. Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

Boxing great Muhammad Ali is helped by his wife, Lonnie, right, and sister-in-law Marilyn Williams, left, as he looks down from a balcony at friends attending a celebration for his 70th birthday at the Muhammad Ali Center on Saturday, Jan. 14, 2012, in Louisville, Ky. Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

FILE - In this Dec. 17, 2005 file photo, boxing legend Muhammad Ali is watched by his wife, Lonnie, during the award ceremony for the Otto-Hahn-Peace-Medal 2005 of the German Society of the United Nations in Berlin.The three-time heavyweight boxing champion will celebrate a milestone birthday Tuesday, Jan. 17, 2012, when he turns 70. Ali will be surrounded by friends who are gathering Saturday evening, Jan. 14, 2012, for a birthday party at the Muhammad Ali Center in his hometown of Louisville. Photo: Franka Bruns / AP

FILE - In this Sept. 17, 2008 file photo, Muhammad Ali and his wife Lonnie shakes hands with guests after a welcoming ceremony for the Ryder Cup golf tournament in Louisville, Ky. The three-time heavyweight boxing champion will celebrate a milestone birthday Tuesday, Jan. 17, 2012, when he turns 70. Ali will be surrounded by friends who are gathering Saturday evening, Jan. 14, 2012, for a birthday party at the Muhammad Ali Center in his hometown of Louisville. Photo: Morry Gash / AP

FILE - In this Nov. 18, 2005 file photo, boxing great Muhammad Ali is accompanied by his wife Lonnie and singer Kris Kristofferson as he tours the Muhammad Ali Center in Louisville, Ky. Muhammad Ali made his fame with his fists, and his post-boxing legacy is being made at The Muhammad Ali Center. Ali and his wife have spent more than a decade raising the money to create, operate and fund the center, which opened in 2005 on their 19th wedding anniversary. Photo: Ed Reinke / AP

FILE - In this Oct. 9, 2003 file photo, boxing legend Muhammad Ali touches the head of his former coach Angelo Dundee at the Book Fair in Frankfurt, Germany. The three-time heavyweight boxing champion will celebrate a milestone birthday Tuesday, Jan. 17, 2012, when he turns 70. Ali will be surrounded by friends who are gathering Saturday evening, Jan. 14 for a birthday party at the Muhammad Ali Center in his hometown of Louisville. Photo: Michael Probst / AP

Ben Physick of Austrailia watches the life of Muhammad Ali in video clips on display Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

Cases display the Presidential Medal of Freedom Ali received from President George W. Bush in 2003 and others, Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

A global collection of children's artwork inspired by Ali is displayed on a 55-foot-long Hope and Dream wall, Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

Visitors begin their tour of the life of Muhammad Ali on the fifth floor of the complex bearing his name Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

FILE - In this Jan. 28, 2006, file photo, former heavyweight boxing champion Muhammad Ali gestures toward photographers in a hotel lobby in Davos, Switzerland. Ali turns 70 on Jan. 17, 2012. Photo: Michel Euler / AP

FILE - In this Feb. 12, 2009 file photo, Muhammad Ali and wife Lonnie are seen on stage at the 40th NAACP Image Awards, in Los Angeles. The three-time heavyweight boxing champion will celebrate a milestone birthday Tuesday, Jan. 17, 2012, when he turns 70. Ali will be surrounded by friends who are gathering Saturday evening, Jan. 14, 2012, for a birthday party at the Muhammad Ali Center in his hometown of Louisville. Photo: Chris Pizzello / AP

The face of Muhammad Ali is the background for a press conference by Louisville Mayor Greg Fischer Friday Jan. 13, 2012, in the lobby of the Muhammad Ali Center in Louisville, Ky. Three-time heavyweight boxing champion Ali will celebrate a milestone birthday Tuesday, Jan. 17, when he turns 70. Photo: Brian Bohannon / AP

FILE - In this May 25, 1965, file photo, heavyweight champion Muhammad Ali stands over fallen challenger Sonny Liston, after dropping Liston with a short hard right to the jaw in Lewiston, Maine. Ali turns 70 on Jan. 17, 2012. Photo: AP / AP

FILE - In this Sept. 14, 1978, file photo, Muhammad Ali shouts while someone holds a poster predicting his third coming following his last workout in New Orleans, before attempting to claim the heavyweight title for a third time, against Leon Spinks, at the Superdome. Ali turns 70 on Jan. 17, 2012. Photo: File / AP

FILE - In this Oct. 1, 1975 file photo, sweat spray flies from the head of challenger Joe Frazier as heavyweight champion Muhammad Ali connects with a right in the ninth round of their heavyweight title fight in Manila, Philippines. Ali won the fight on a decision to retain the title. Ali turns 70 on Jan. 17, 2012. Photo: Mitsunori Chigita / AP

FILE - In this Jan. 17, 1967 file photo, Muhammad Ali blows out the candles on a cake baked for his 25th birthday, in Houston. Ali's wife says the boxing great is still a "big kid" who enjoys his birthday parties. The three-time heavyweight champion turns 70 Tuesday, Jan. 17, 2012. He will be surrounded by friends Saturday night for a birthday party at the Muhammad Ali Center in his hometown. Photo: Ed Kolenovsky / AP

FILE - In this Feb. 12, 2009 file photo, Muhammad Ali and wife Lonnie are seen on stage at the 40th NAACP Image Awards, in Los Angeles. The three-time heavyweight boxing champion will celebrate a milestone birthday Tuesday, Jan. 17, 2012, when he turns 70. Ali will be surrounded by friends who are gathering Saturday evening, Jan. 14, 2012, for a birthday party at the Muhammad Ali Center in his hometown of Louisville. Photo: Chris Pizzello / AP

Rahaman Ali, brother of boxing great Muhammad Ali, arrives at the Muhammad Ali Center for a birthday celebration for Muhammad Ali on Saturday, Jan. 14, 2012, in Louisville, Ky. Muhammad Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

Rahaman Ali, brother of boxing great Muhammad Ali, arrives at the Muhammad Ali Center for a birthday celebration for Muhammad Ali on Saturday, Jan. 14, 2012, in Louisville, Ky. Muhammad Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

Boxing great Muhammad Ali, with his wife, Lonnie, right, looks down from a balcony at friends attending a celebration for his 70th birthday at the Muhammad Ali Center on Saturday, Jan. 14, 2012, in Louisville, Ky. Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

Boxing great Muhammad Ali, right, with the help of his sister-in-law, Marilyn Williams, left, makes an appearance at a balcony before the celebration for his 70th birthday at the Muhammad Ali Center on Saturday, Jan. 14, 2012, in Louisville, Ky. Ali turns 70 Tuesday. Photo: Mark Humphrey / AP

FILE - In this Nov. 19, 2005 file photo, Muhammad Ali poses for the cameras as he and his wife, Lonnie, left, arrive for a gala which marks the opening of the Muhammad Ali Center in Louisville, Ky. Ali made his fame with his fists, and his post-boxing legacy is being made at The Muhammad Ali Center. Ali and his wife have spent more than a decade raising the money to create, operate and fund the center, which opened in 2005 on their 19th wedding anniversary. Photo: Garry Jones / AP

The Olympic torch Ali carried during the 1996 Opening Ceremonies of the Summer Games in Atlanta, Ga., on display Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

Visitors experience the moment when Ali carried the Olympic torch during the 1996 Opening Ceremonies of the Summer Games in Atlan ta, Ga., in the Lighting the Way theater, Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

A detail of the tiles making up a global collection of children's artwork inspired by Ali displayed on a 55-foot-long Hope and Dream wall, Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

The Train with Ali exhibit allows visitors an opportunity to shadowbox, punch a speed bag and lean into a heavy bag that lets them feel the power of an Ali punch, Wednesday, Jan. 11, 2012 at the Muhammad Ali Center in Louisville, Ky. Visitors to the Muhammad Ali Center see the three-time world heavyweight champion in his prime, railing against war and racial inequity and delivering knockout punches in the ring. They also see the softer side of a man embracing ideals of respect and spiritual growth. Photo: Brian Bohannon / AP

Ali's boyhood neighbor, Lawrence Montgomery Sr., shows how he used to hold up his hands to take jabs from the young Cassius Clay, later to be known as Muhammad Ali, at his home across the street from where he and Ali grew up Tuesday, Jan. 10, 2012 in Louisville, Ky. Ali is preparing to turn 70 next week. He’s coming home for a birthday bash at the downtown cultural center and museum bearing his name. The private party Saturday night, Jan. 13, will double as a fundraiser for the 6-year-old Muhammad Ali Center, which promotes ideals of tolerance, respect and individual achievement. Photo: Brian Bohannon / AP

With Ali memorabilia on the den wall, Lawrence Montgomery Sr., shows how he used to hold up his hands to take jabs from the young Cassius Clay, later to be known as Muhammad Ali, at his home across the street from where he and Ali grew up Tuesday, Jan. 10, 2012 in Louisville, Ky. Ali is preparing to turn 70 next week. He’s coming home for a birthday bash at the downtown Louisville cultural center and museum bearing his name. The private party Saturday night, Jan. 13, will double as a fundraiser for the 6-year-old Muhammad Ali Center, which promotes ideals of tolerance, respect and individual achievement. Photo: Brian Bohannon / AP

FILE - In this Thursday, Dec. 3, 2009 file photo, former heavyweight boxing champion Muhammad Ali tours the new Muhammad Ali Parkinson Center at Barrow Neurological Institute at St. Joseph's Hospital and Medical Center in Phoenix. Muhammad Ali is coming home to celebrate another milestone _ his 70th birthday. The iconic heavyweight boxing champion will bask in the limelight once again at a private birthday bash on the evening of Jan. 14 at the Muhammad Ali Center in downtown Louisville, Ky. Ali turns 70 on Jan. 17. The party will double as a fundraiser for the center _ a cultural and education center that also features a museum focusing on Ali's long career as a boxer, social activist and humanitarian. Photo: Ross D. Franklin / AP

FILE - In this Thursday, Dec. 3, 2009 file photo, former heavyweight boxing champion Muhammad Ali tours the new Muhammad Ali Parkinson Center at Barrow Neurological Institute at St. Joseph's Hospital and Medical Center in Phoenix. Muhammad Ali is coming home to celebrate another milestone _ his 70th birthday. The iconic heavyweight boxing champion will bask in the limelight once again at a private birthday bash on the evening of Jan. 14 at the Muhammad Ali Center in downtown Louisville, Ky. Ali turns 70 on Jan. 17. The party will double as a fundraiser for the center _ a cultural and education center that also features a museum focusing on Ali's long career as a boxer, social activist and humanitarian. Photo: Ross D. Franklin / AP

Ali's boyhood neighbor, Lawrence Montgomery Sr., remembers how he used to hold up his hands to take jabs from the young Cassius Clay, later to be known as Muhammad Ali, at his home across the street from where he and Ali grew up Tuesday, Jan. 10, 2012 in Louisville, Ky. Ali is preparing to turn 70 next week. He’s coming home for a birthday bash at the downtown Louisville cultural center and museum bearing his name. The private party Saturday night, Jan. 13, will double as a fundraiser for the 6-year-old Muhammad Ali Center, which promotes ideals of tolerance, respect and individual achievement. Photo: Brian Bohannon / AP

This is the house where the young Cassius Clay, later to be known as Muhammad Ali, grew up, seen Tuesday, Jan. 10, 2012, in Louisville, Ky. Ali is preparing to turn 70 next week. He’s coming home for a birthday bash at the downtown Louisville cultural center and museum bearing his name. The private party Saturday night, Jan. 13, will double as a fundraiser for the 6-year-old Muhammad Ali Center, which promotes ideals of tolerance, respect and individual achievement. Photo: Brian Bohannon / AP

Ali’s boyhood neighbor, Lawrence Montgomery Sr., lived in the house to the left, next door to where the young Cassius Clay, later to be known as Muhammad Ali, grew up Tuesday, Jan. 10, 2012 in Louisville, Ky. Ali is preparing to turn 70 next week. He’s coming home for a birthday bash at the downtown Louisville cultural center and museum bearing his name. The private party Saturday night, Jan. 13, will double as a fundraiser for the 6-year-old Muhammad Ali Center, which promotes ideals of tolerance, respect and individual achievement. Photo: Brian Bohannon / AP

FILE - In this Nov. 18, 2005 file photo, boxing great Muhammad Ali is accompanied by his wife Lonnie and singer Kris Kristofferson as he tours the Muhammad Ali Center in Louisville, Ky. The man who became the world's most recognizable athlete was a baby sitter, a jokester and a dreamer in the predominantly black West End neighborhood of Louisville where he grew up and forged lasting friendships while beginning his ascent toward greatness. Now, as the iconic boxer slowed by Parkinson's disease prepares to turn 70 next week, he's coming home for a birthday bash at the downtown cultural center and museum that bears his name. Photo: Ed Reinke / AP

FILE - In this Feb. 2, 1999 file photo, boxing legend Muhammad Ali poses for a photo after an interview in New York. The man who became the world's most recognizable athlete was a baby sitter, a jokester and a dreamer in the predominantly black West End neighborhood of Louisville where he grew up and forged lasting friendships while beginning his ascent toward greatness. Now, as the iconic boxer slowed by Parkinson's disease prepares to turn 70 next week, he's coming home for a birthday bash at the downtown cultural center and museum that bears his name. Photo: Richard Drew / AP