Thousands gathered at the Lincoln Memorial in Washington, D.C. for the "We Are One" concert today celebrating the life of Marting Luther King, Jr. as well as "change" in America. Prez-Elect Barack Obama and First Lady Elect Michelle O. arrived at the event to watch performances by Mary J. Blige, Stevie Wonder, Usher, John Legend, Bruce Springsteen, Beyonce and others. HBO aired the event free to viewers.
