Politico: U.S. Chamber of Commerce President Tom Donohue says a campaign by the White House and its allies to undermine his $200-million-a-year association has largely failed — and actually has helped raise even more money for its pro-business efforts. In a 75-minute interview with POLITICO, Donohue dismissed recent defections by Apple and at least four other companies, which quit over the Chamber’s opposition to Democratic climate change legislation — as essentially meaningless. “Members c