Lord Sebastian Coe, two-time British Olympic gold medalist, revered British Olympic long-distance runner, and chief of the London Olympic organizing committee, has said the unthinkable. Michael Phelps, in his estimation, is not the greatest Olympian of all time. Later today, American officials are expected to announce the termination of all diplomatic relations with Great Britain, withdraw embassy staff from London, and issue a new deck of "most wanted" playing cards with Lord Coe as the joker. For the record, his exact words, as reported by the Associated Press, were: "He is certainly the most successful. That goes without saying.... But...