They have silver manes and golden noses in common. They are both, in the words of the one who can speak, "total couch potatoes." And though their backgrounds are those of long shots, they are now favored for posterity.
On June 7 at New York's Belmont Park, all eyes--as well as many bets and hopes--will be on Silver Charm, a 3-year-old gunmetal gray colt by Silver Buck out of Bonnie's Poker; and his trainer, Bob Baffert, a 44-year-old silver-haired charmer by an Arizona cattle rancher out of a schoolteacher. Together, along with jockey Gary Stevens and owners Bob and Beverly Lewis,...