There WAS a concealed hangun owner at the Arizona shooting.
See
http://forums.1911forum.com/showthread.php?t=298526
He opted not to fire, I do believe he was one of the people who tackled or went after the assailant. You have to make a decision as to whether or not to draw. One thing we're taught is that you are 100% responsible where your bullets go. If they go clean through the perp and kill an innocent bystander in the background, in Texas you can be charged with manslaughter, even though it was accidental. So you have to keep your eyes open (even through the tunnel vision) and know what's going on around you. In a political crowd situation, I don't see how one could have safely returned fire without hitting bystanders. He made the right decision, IMO.
I'm not a gun nut. I hadn't fired a pistol since 1994 (before November of last year, when I got my license... I walked up to the firing test and began shooting for the test.. the first pistol I'd fired in over 15 years. And I passed the "test". )
How about a couple cliche's...
I carry a gun because a cop is too heavy...
When seconds count, the police are only minutes away...
etc...
I live in a nice neighborhood in the country. We've had some crime out there recently - not in my hood, but a couple of miles away - a home invasion, a large daytime burglary (caught 4 guys loading a trailer with stuff), etc. I don't want to rely on the Sheriff to get to my house in the country...
{Edit: oh, about the BG380 / pocket carry... of course in a small holster. Gotta keep the trigger covered, even though the pull is long and it's fairly stiff, and the BG380 has a thumb safety (that I honestly won't use). I have an Uncle Mike's cheapo pocket holster until I find something else I like. The G27 rides in a Crossbreed Supertuck.}