WHO WAS THAT CHAP?Sen. John Edwards' relationship with the real Bill Clinton paid off in London on Wednesday, when British Prime Minister Tony Blair met with the now-senior senator and presumptive Democratic presidential candidate. Edwards had asked Clinton to call Blair on his behalf to help get him a meeting on a European junket Edwards hopes will help burnish a perception that he has foreign policy experience. But no sooner did Edwards walk out of the meeting, which lasted longer than Edwards expected, than he was on a conference call to reporters in Washington in North Carolina crowing about the...