TV host Bill O'Reilly suffered "the worst day of my life" yesterday after being thrust into a sleazy sex scandal - one so explosive, it has forced the talk-show loudmouth into silence. "I have been advised to keep my big mouth shut, and I have promised to do that," O'Reilly told the Daily News from his Fox News studio yesterday. But he didn't. "This has been the worst day of my life," O'Reilly said. "I am getting hounded by the press, and I knew I would be. I knew that they were going to kill me, but what am I...
