You are down to your last twenty bucks, and people are streaming in and out of the convenience store across the street. There's money in the register and a gun in your pocket. Should you rob the store?

Most people would listen to that question, laugh, and say, Of course not! That's because most people have enough empathy to realize that robbing someone will cause them great distress. The ability to put ourselves in the other person's shoes – and an appreciation that other people have right...