Lighting of the National Christmas tree in Washington D.C.
Credit: Getty Images
WASHINGTON, DC - DECEMBER 6: (AFP OUT) U.S. President Barack Obama (R) with his wife first lady Michelle Obama (2nd L) and their daughters Malia (2nd R) and Sasha Obama (C), and mother-in-law Marion Robinson (L) sing during the 90th National Christmas Tree Lighting Ceremony on the Ellipse behind the White House on December 6, 2012 in Washington, DC. This year is the 90th annual National Christmas Tree Lighting Ceremony. (Photo by Olivier Douliery-Pool/Getty Images)