Arianna Huffington: GOP Is Now a Three-Man Race: Romney vs. Gingrich vs. Gingrich

Now that Herman Cain has "suspended his campaign," the race is down to three people: Newt Gingrich, Mitt Romney, and Newt Gingrich. At this point, the question isn't so much whether Gingrich can beat Romney (he can), but whether Gingrich will beat Gingrich. This task is complicated by the fact that there isn't just one Gingrich. He's a very Walt Whitmanesque candidate -- he celebrates himself ...