U.S. President Barack Obama (R) delivers a speech next to Vice President Joe Biden on common-sense measures to protect children from gun violence in the East Room of the White House in Washington D.C., capital of the United States, March 28, 2013. (Xinhua/Zhang Jun)
U.S. President Barack Obama (R) hugs Katerina Rodgaard of Moms Demand Action for Gun Sense in America, as Vice President Joe Biden stands by, during an event on protecting children from gun violence in the East Room of the White House in Washington D.C., capital of the United States, March 28, 2013. (Xinhua/Zhang Jun)
U.S. President Barack Obama (3rd R, Front) hugs a gun violence victim during an event on protecting children from gun violence in the East Room of the White House in Washington D.C., capital of the United States, March 28, 2013. (Xinhua/Zhang Jun)
