Herman Cain's rise in the polls appears to be no fluke. Unlike some other Republican presidential contenders who have flamed out fast after auditioning as the conservative antidote to Mitt Romney, Cain is still riding high atop public opinion surveys. "They said I was the flavor of the week," the Georgia businessman said at an appearance Friday on a campaign swing through Alabama. "But four weeks later the Cain campaign still tastes good!" Cain lacks the money and organization of his top-tier GOP competitors. But, so far, he's survived several high-profile campaign blunders and an onslaught of attacks on his...