First Lady Michelle Obama walks with children past the official White House Christmas Tree in the Blue Room, Nov. 30, 2011. Mrs. Obama welcomed military families to the White House for for the first viewing of the 2011 holiday decorations, which included the 18-foot-6 inch balsam fir decorated with ornaments created by military children and medals, badges, and patches from all of the military branches. (Official White House Photo by Lawrence Jackson)