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Nelba Marquez-Greene: To sit back and say nothing happened after Sandy Hook is a coward’s way out

05:42

Two deadly mass shootings in Georgia and Colorado have re-ignited the debate over a seemingly uniquely American problem: gun violence. Shannon Watts, founder of Moms Demand Action for Gun Sense in America, and licensed therapist Nelba Marquez-Greene, who lost her daughter, Ana Grace, in the Sandy Hook shooting, joined American Voices with Alicia Menendez.