Screen shot of automatic weapons. By Jonathan Masters, online writer/editor for the Council on Foreign Relations Introduction The debate over gun control in the United States has waxed and waned over the years, stirred by a series of incidents…

President Obama attends Sunday's vigil at Newtown High School in Connecticut for families of victims of the Sandy Hook Elementary School shooting. Photo by Kevin Lamarque/Reuters. "We as a nation, we are left with some hard questions." President…

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