I know the man was in his early 60's, but thats not that old nowadays. My point is, I think I could run off two unarmed teenagers with a Mini 14, without shooting them. Using deadly force should always be the last resort. Just because something is within the bounds of legality, doesn't always make the right, prudent, ethical or moral thing to do.
Some people seem to take delight in the fact he shot them, maybe not here on TFL, but in comments I've seen elsewhere on the net. I 100% guarantee it isn't winning our side any friends, or bringing undecideds to our cause.
"No free man shall ever be debarred the use of arms."- Thomas Jefferson