U.S. President Barack Obama (3rd R) and first lady Michelle Obama (4th R) appear on the balcony as they attend the 2012 Kennedy Center Honors at the Kennedy Center in Washington, December 2, 2012. Also pictured are the honorees (L-R) Led Zeppelin band mates John Paul Jones, Robert Plant and Jimmy Page, late-night TV host David Letterman, blues musician George "Buddy" Guy, ballerina Natalia Makarova and actor Dustin Hoffman. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS ENTERTAINMENT)