Gun-friendly Arizona and Texas are among about a dozen states considering versions of bills to allow university professors and students to bring loaded guns into their classrooms to defend themselves against "gunmen." Jack Harper, an Arizona state representative who introduced such a bill, argues, "When law-abiding, responsible adults are able to defend themselves, crime is deterred." "It's strictly a matter of self-defense," said Texas state Sen. Jeff Wentworth, who... (GunPolicy.org)