By DAILY MAIL REPORTERU.S. President Barack Obama brought his wife Michelle, daughters Sasha and Malia and his mother-in-law, who lives in the White House as well, along to the tree lighting ceremonyChristmas arrived in Wa on a frigid Thursday night.With the interchange of a switch, President Barack Obama lit the National Christmas Tree - a massive 40-foot Colorado blue spruce growing on a grassy area about the White House known as the Ellipse that is covered in lights and decorations.
