Ah, Mike, that essential of civilized life - toilet paper. It is best to learn what poison ivy looks like in the post apocalyptic world ;-)
I don't know how many rodents there are in the US. But if you shoot them w/ an AK you ain't gonna have much meat left.
Tony, I know an EMP and the delivery systems are based on 1940's technology but it is still a rather complex affair. It takes a State to do it, and states by their very nature are targets. If you are in the leadership of a country, you probably don't want to lose that power, privilege and life. A terrorist might not mind to blow his self up, but you, as a leader in a small clique of states, probably don't. Not to say an emp attack couldn't happen (or nuke, or chemical attack), but the survival instinct is very strong, especially if, as they say in Monty Python and the Holy Grail, you are the only one not covered in sh...
alan