New black history museum rising on National Mall

FILE - In this Friday, March 27, 2009 file photo, the design concept for the National Museum of African American History and Culture submitted by Freelon Adjaye Bond/ SmithGroup is seen in Washington. President Obama helped in the ground breaking ceremony for the Smithsonian's new black history museum on the National Mall, Wednesday, February 22, 2012. Photo: Jacquelyn Martin / AP

President Barack Obama speaks at the groundbreaking for the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Charles Dharapak / AP

FILE - This April 14, 2009 file photo, shows the winning design concept for the National Museum of African American History and Culture submitted by Freelon Adjaye Bond/ SmithGroup in Washington. President Obama helped in the ground breaking ceremony for the Smithsonian's new black history museum on the National Mall, Wednesday, February 22, 2012. Photo: Jacquelyn Martin / AP

President Barack Obama speaks at the groundbreaking for the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Pictured on stage, from left to right: former first lady Laura Bush; Wayne Clough, Secretary of the Smithsonian Institution; first lady Michelle Obama; Lonnie Bunch, Director of the National Museum of African American History and Culture; France Cordova, chair, Smithsonian Board of Regents; Richard Parsons, co-chair of the National Museum of African American History and Culture Council; Linda Johnson Rice, co-chair of the National Museum of African American History and Culture Council; Kansas Gov. Sam Brownback; Rev. Calvin Butts of Abyssinian Baptist Church in New York City; Washington Mayor Vincent Gray. Photo: Charles Dharapak / AP

First lady Michelle Obama, left, watches as former first lady Laura Bush, right, shakes hands with President Barack Obama, center, during the groundbreaking ceremony at the construction site of the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Bush had just concluded her remarks. Photo: Susan Walsh / AP

Former first lady Laura Bush speaks at the groundbreaking ceremony at the construction site of the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Susan Walsh / AP

Four-year-old Piper Shillingford from Stuyvesant Heights Montessori Academy in Brooklyn, N.Y., gets a hug from first lady Michelle Obama at the groundbreaking for the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Students from the school had collected $600 in coins and presented it during the museum groundbreaking. Photo: Charles Dharapak / AP

President Barack Obama and first lady Michelle Obama during the groundbreaking ceremony at the construction site of the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Susan Walsh / AP

President Barack Obama and first lady Michelle Obama attend the groundbreaking for the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Charles Dharapak / AP

From left, co-chair of the National Museum of African American History and Culture Council Richard Parsons, Smithsonian Board of Regents Patty Stonesifer, former first lady Laura Bush, Smithsonian Institution Secretary Wayne Clough, Smithsonian Museum Director Lonnie Bunch, Smithsonian Undersecretary for History, Art and Culture Richard Kurin, Smithsonian Board of Regents Chair France Cordova, and co-chair of the National Museum of African American History and Culture Council Linda Johnson Rice, lift shovels during the groundbreaking ceremony for the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Susan Walsh / AP

First lady Michelle Obama meets Piper Shillingford, 4, from Stuyvesant Heights Montessori Academy in Brooklyn, N.Y., with President Barack Obama, right, during a groundbreaking ceremony at the construction site of the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Susan Walsh / AP

An area near the Washington Monument is secured as President Barack Obama and first lady Michelle Obama attend a groundbreaking ceremony nearby at the construction site of the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Susan Walsh / AP

President Barack Obama speaks at the groundbreaking ceremony at the construction site of the Smithsonian National Museum of African American History and Culture in Washington, Wednesday, Feb. 22, 2012. Photo: Susan Walsh / AP