The tragic shooting in Tucson on Jan. 8 - like thousands of others every year here in Arizona and across the country - did not have to happen. I believe we owe it to the victims of Tucson not to wait any longer to act. Like all Americans, I honor the Constitution, including the Second Amendment. As Pima County attorney and U.S. senator, I swore an oath to uphold it. I also believe it's possible to honor gun rights while keeping guns away from criminals. This is... (GunPolicy.org)