Article Photos: Letterman, Hoffman, Zeppelin honored by Obama 12/16

2012 Kennedy Center Honorees and members of the band Led Zeppelin, from left, Jimmy Page, John Paul Jones, and Robert Plant arrive at the Kennedy Center for the Performing Arts for the 2012 Kennedy Center Honors Performance and Gala Sunday, Dec. 2, 2012 at the State Department in Washington. (AP Photo/Kevin Wolf)