WASHINGTON, DC – JANUARY 16: (AFP OUT) (L – R) U.S. President Barack Obama, activist Rev. Al Sharpton and District of Columbia Delegate Eleanor Holmes Norton arrive at the Kennedy Center for the Performing Arts to attend the Let Freedom Ring Celebration on January 16, 2012 in Washington, DC. The muiscal celebration is in honor of Dr. Martin Luther King Jr. and features singer Bobby McFerrin. (Photo by Mike Theiler-Pool/Getty Images)