The federal government should fund research into the causes of gun violence, Connecticut senators have urged. Connecticut Sens. Richard Blumenthal and Chris Murphy, both Democrats, joined Sen. Bernie Sanders, I-VT, and 14 Democratic senators in a letter urging colleagues to grant money to the Centers for Disease Control and Prevention to research causes of gun violence. "We must take this important step because only the United States government is in a position to... (GunPolicy.org)