http://www.cato.org/pubs/wtpapers/WP-Tough-Targets.pdf

It's a long but a good read. They break down common arguments and point to cases that show the opposite result. One of the interesting things I read was what the IL & CA officials recommended to potential victims of rape. Use a gun? No. Fight back? Maybe. Crap and pee on yourself? Yelp! Tell them you have AIDS? Yelp.