Michelle Obama arms race: the quest for the first lady's triceps

U.S. President Barack Obama and First Lady Michelle Obama (C) attend the Kennedy Center Honors at the Kennedy Center on December 2, 2012 in Washington, DC. The Kennedy Center Honors recognized seven individuals - Buddy Guy, Dustin Hoffman, David Letterman, Natalia Makarova, John Paul Jones, Jimmy Page, and Robert Plant - for their lifetime contributions to American culture through the performing arts. UPI/Brendan Hoffman/Pool