The maniac who used an ax against New York City cops in the name of jihad last week had roughly six years of college under his belt. The college-educated American terrorist not only had a bachelor’s degree but spent at least a year at Columbia University as a grad student. It remains to be seen what, if any, effect his education had on his world views. But one thing is clear: somehow Zale Thompson – a U.S. Navy veteran – turned against his country.