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Photo by: Evan Vucci

** FILE ** Wayne LaPierre, executive vice president and CEO of the National Rifle Association, speaks during a news conference in Washington on Friday, Dec. 21, 2012, in response to the Newtown, Conn., school shooting the week before. The NRA, the nation's largest gun-rights lobby, is calling for armed police officers to be posted in every American school to stop the next killer "waiting in the wings." (Associated Press)

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