Barack Obama's campaign is flatly denying a story told by former Manhattan Borough President Percy Sutton, who cast an ex-Black Panther turned Muslim businessman and lecturer as a key Obama mentor but whose story seems off in at least one key detail. Sutton's story, told in what NY1 said was a March 25 interview, has been lighting up the conservative blogs for the last week. Sutton, now in his late 80s and mostly off the public stage, told NY1's Dominic Carter that he was asked to write a letter of recommendation to Harvard Law School on Obama's behalf by a...