After having watched the majority he engineered in 1994 crumble in this week's elections, former House Speaker Newt Gingrich laid into President Bush and congressional Republicans in an Atlanta appearance Thursday. Taking questions after a medical forum, the former GOP congressman from Cobb County said four c's ? an absence of competence in Republican performance, an absence of candor, corruption and the bad advice of consultants ? led to Tuesday's defeat. But Gingrich saved his strongest words for President Bush's performance at the Wednesday press conference announcing Secretary of Defense Donald Rumsfeld's resignation. Bush told reporters that he had planned...