US President Barack Obama speaks with children dressed as elves, who are or were patients at Children's National Medical Center as they present donated gifts to the Obamas to give to children at the hospital, as they attend a taping of TNT's Christmas in Washington at the National Building Museum in Washington on December 15, 2013. The annual event, hosted by actor Hugh Jackman, features performances by the Backstreet Boys, Anna Kendrick, Sheryl Crow, Janelle Monae and Pat Monahan, and airs on the TNT television network on December 20. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
