The first family, from left, first lady Michelle Obama, Sasha Obama, President Barack Obama and Malia Obama, pose with children dressed like elves at the National Building Museum in Washington, Sunday, Dec. 9, 2012. The first family is attending the taping of the 2012 Christmas in Washington. (AP Photo/Manuel Balce Ceneta)
Obamas celebrate 'Christmas in Washington'
President Barack Obama took part in the 'Christmas in
Washington' concert with first lady Michelle Obama and daughters
Malia and Sasha Obama at the National Building Museum on Dec. 9,