For nearly two decades, the Centers for Disease Control and Prevention has devoted scant resources to the study of gun violence, even as fatal shootings constitute a public health issue claiming more than 30,000 lives each year. That lack of research is widely attributed to the Dickey Amendment, language tucked into a 1996 appropriations bill that the CDC, lawmakers, and the press have interpreted as blocking the agency from conducting research on firearms deaths and... [The Trace (USA), via ...