President Barack Obama, center, waves to Sen. Edward M. Kennedy, D-Mass., after joining various entertainers in singing "Happy Birthday" during a musical birthday salute to Kennedy, Sunday, March 8, 2009, at The John F. Kennedy Center for the Performing Arts in Washington. Among those joining Obama on stage are Bill Cosby, Lizz Wright, Denyce Graves and James Taylor.
Author: CBS News Staff
Credit: AP