YOU are a law-abiding citizen, walking down the street, minding your own business. Then, out of nowhere, a sniper opens fire in your direction. A bullet hits your arm, another whizzes by your head. You scan the area, decide that the sniper is in a nearby apartment building, and, as another bullet grazes your ear, decide it’s time to act. You just happen to be carrying a rocket launcher, so you aim in the direction of the attacker, press fire, and blow the whole block to smithereens.
A little over the top, perhaps? OK, how about another scenario. You pinpoint…
