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Associated Press
Rep. Rhonda Fields, D-Aurora,  urges House members to pass her bill on limiting the size of ammunition  magazines at the Capitol in Denver on Friday, Feb. 15, 2013. Kicking off a long, emotional debate about guns, Colorado lawmakers clashed Friday over setting limits on the size of ammunition magazines, a proposal in a package of Democratic bills responding to mass shootings at a suburban Denver movie theater and a Connecticut elementary school.(AP Photo/Ed Andrieski)

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