Can gun control prevent tragedy?

A couple of years ago on April twentieth, two teenagers no more than sixteen years of age, decided to wreak havoc on their school. By the end of their fifteen minutes of terror, they had killed thirteen people: twelve students and one teacher, before taking their own lives. And so we have the birth of the Columbine tragedy. Could better weapons control have prevented the Columbine tragedy?
I say weapons control, because a lot more weapons than just guns are used in crimes. In fact, more often than not, a knife is used to threaten people, rather than a gun. Whether a knife or a gun, all are weapons of mass destruction; I say mass destruction because any weapon used to kill someone causes a mass destruction. A person doesn’t even need a sharp object to take another one’s life. What are we to do, ban all potentially dangerous objects? That isn’t even construed as a possible resolution, simply because it is improbable. So we move on to the weapons that cause the bigger...