Rudolph W. Giuliani, who after deep reflection has concluded that he is the best qualified person in America to be president, now owns four gold World Series rings, which, if hit hard enough with a hammer, would yield about 100 diamonds, some of them a half-carat in size. The rings were created by the New York Yankees baseball team to commemorate their championships from 1996 to 2000. Mr. Giuliani says he bought them fair and square for a total of $16,000 — “I paid precisely what anyone else would pay” — and that he scored the baubles only after he...