Last week on The O'Reilly Factor, the high-flying Fox News Channel's most popular show, ABC News political director Mark Halperin confessed to a left-wing bias in many of the old, establishment television and print media, to the absolute delight of liberal-baiting host Bill O'Reilly. "So you're admitting... maybe your own network tilts to the left?" a smiling O'Reilly asked, relishing the moment. "If I were a conservative," Halperin replied, "I understand why I would feel suspicious that I was not going to get a fair break at the end of an election. We've got to make sure we do better...