Yep, driving home from the store yesterday in the right lane, I had a guy cut in front of me, no signal, maybe a foot of clearance, then he slowed down. Had to get on the brakes to avoid rear-ending him. Had I my pistol with me at the time, you can be sure it would've been in my hand. My reasoning is that vehicles can be come quite effective lethal weapons when abused, much the same as many other things, and actions such as these I perceive as a direct threat and will react accordingly. As it was, the guy took a right turn at the next block. I waved a big California Howdy his direction and went on my merry way.

I don't tolerate threats well I guess.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)