Sasha and Malia Obama are pictured with their family dog Bo as they welcome the official White House Christmas tree at the North Portico of the White House in Washington

Sasha and Malia Obama are pictured with their family dog Bo as they welcome the official White House Christmas tree at the North Portico of the White House in Washington

Sasha (L) and Malia Obama are pictured with their family dog Bo as they welcome the official White House Christmas tree at the North Portico of the White House in Washington, November 29, 2013. The 18.5-foot Douglas Fir was grown by Chris Botek, a second generation Christmas Tree Farmer from Crystal Spring Tree Farm in Lehighton, Pennsylvania. REUTERS/Jason Reed (UNITED STATES – Tags: POLITICS)