U.S. President Barack Obama kisses singer Mariah Carey at the National Christmas Tree Lighting ceremony on the Ellipse in Washington December 6, 2013. REUTERS/Kevin Lamarque (UNITED STATES - Tags: ... more 
U.S. President Barack Obama kisses singer Mariah Carey at the National Christmas Tree Lighting ceremony on the Ellipse in Washington December 6, 2013. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS ENTERTAINMENT) less 
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Reuters | Photo By KEVIN LAMARQUE / REUTERS
Fri, Dec 6, 2013 7:03 PM EST