2 weeks ago -Last night on The Colbert Report, Arianna Huffington explained that John McCain's passion for Iraq is "his Viagra." Ariannna, the supreme ruler of the liberal site The Huffington Post, discussed how she fell out of love with her former hero McCain, while promoting her new short-titled book: Right Is Wrong: How the Lunatic Fringe Hijacked America, Shredded the Constitution, and Made Us All Less…