College students get caught with all sorts of things they're not supposed to have -- alcohol, drugs, plagiarized papers... And up until now, guns would have been considered contraband, too. But at least seven states are currently considering revised policies that would allow professors and/or students to carry licensed firearms on campus. That's right: guns on campus. Whatever side of the issue you favor, it seems like there are some clearer risk vs. reward policies that states should amend first. Here are five.