He is the man with the mustache who takes a rebellious drag on a cigarette in the Herman Cain Internet ad gone viral. "We've run a campaign like nobody's ever seen," he says before taking a puff. "But then America's never seen a candidate like Herman Cain." Meet Mark Block, Cain's unorthodox campaign manager. Perhaps no one is more responsible for the Georgia businessman's meteoric rise in the presidential polls than Block, a Republican strategist and tea party leader who's left a trail of questionable campaign work behind him. Block has been accused of voter suppression and was banned from...