Minnesota Republican Senator Norm Coleman has a tough re-election fight in 2008 and his Democratic opponent could be obnoxious left-wing comedian Al Franken. But Coleman, who chaired important hearings in 2005 into the United Nations oil-for-food scandal, is starting to make conservatives nervous. He skipped two important hearings on ratification of the controversial United Nations Convention on the Law of the Sea (UNCLOS) but found enough time for a photo-op with rock star Bono.