I realize guns don't kill people, people with guns, or other lethal weapons, kill people. But we've proven as a nation that we don't deserve to have guns in our society. They're too lethal and they get into the wrong hands. The San Bernardino mass shooting is just another tragedy in a long list.
Our forefathers included the bill in the constitution because at the time they wanted states to be able to have militias to guard against abuse and unfair taxes from the federal government. If they knew what has happened in our society as a result I know they would change the constitution!