I don't think anyone expects a foolproof solution. If we could come up with a solution where a few less crazy people had guns I'd be happier. Some training or licensing of guns ought to be discussed

Screen doors don't keep all the bugs out, but they sure do help. The alternative, a solid door, is a political impossibility in America. You may as well wish for a pink pony.

Nothing is completely fool proof for anything. We're talking probabilities and it makes very much sense to try to decrease the probability of shootings.