Michael Halpern : We need scientific research on gun violence to inform policy . Halpern : The NRA pressured Congress to end gun violence research at CDC . They didn't want the government funding it, so they lobbied congress not to fund it. In 2011 , Montana Rep. Denny Rehberg inserted a provision into a funding bill that extended the CDC restrictions to the rest of the Department of Health and Human Services , ending that similar research . Also , we must open our minds to findings that disagree with our beliefs , he writes .
Michael Halpern : We need scientific research on gun violence to inform policy . Halpern : The NRA pressured Congress to end gun violence research at CDC . They didn't want the government funding it, so they lobbied congress not to fund it. Also , we must open our minds to findings that disagree with our beliefs , he writes .