My old friend, Reverend Maurice McCrackin, tested his actions against the question, "What Would Jesus Do?" Jesus would not be shooting people with guns; He would not be shooting children; He would not protect his few worldy possessions with lethal force.
I am probably not a total pacifist, but I believe in peaceful, nonviolent resistance. I think it is a good and effective strategy. Violence so often begets more violence. As Gandhi said, "An eye for an eye and a tooth for a tooth will leave the world blind and toothless."
Peace begins with me--and you.
Don't abet violence; don't seek revenge; put a stop to violence with non-lethal means whenever that is possible (and it is possible most of the time). Keep guns locked away if you own them.
Here is a Judy Collins's song about how one person can begin creating a world of peace: