Well, it's become a world-famous image, almost instantly: Kathie Lee dabbing a tear of joy with her third THROX (the socks that come in threes). About midway through, THROX takes center stage and, oh, when Kathie Lee refers to "this guy," well, you all know who "this guy" is, right? Yeah, that's right, the author of the rollicking new novel The World's Most Handsome Man. (Okay, I'm sorry, but the temptation to cross-promote was simply too irresistible.) "There's an extra sock and they come ...