Conservatives may take heart in a scoop by blogger Michael Petrelis that the new boss of CBS News, Sean McManus, donated $250 to the Bush-Cheney re-election bid in 2004, while shunning John Kerry. Petrelis, who specializes in digging out election contributions from media types, reported the donation on Wednesday by the New Canaan, Conn., resident, found in Federal Election Commission files. Contacted by The Associated Press, CBS had no comment. Former CBS anchor Dan Rather was not exactly a favorite of conservatives, even before the "60 Minutes" Bush/National Guard controversy last year. But one warning to the right: A year...