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A child points at candles at a shrine to the victims of the Newtown school shooting, Connecticut, December 16, 2012

A young child points at candles as people pay their respects at a makeshift shrine to the victims of the Newtown school shooting, Connecticut, December 16, 2012. President Barack Obama has vowed to battle gun violence, casting the fight as a nation's duty to protect its young, as the Connecticut town of Newtown prepared to bury the first two victims of last week's rampage at an elementary school