One of my favorite parts of hitting the campaign trail is chatting with cabdrivers, who always seem especially eager to discuss politics. (Listening to talk radio all day will do that to you.) Take my cabbie this evening out on Long Island. A black man in his mid-40's who arrived in the U.S. from Jamaica in 1990, Steve was something of an enigma. As we motored from the Garden City station to the local Marriott, Steve immediately asked whether I was attending the debate. I told him I was a reporter for Newsweek. "Is that in the city?" he said,...