We should have guessed that Herman Cain wouldn't be a conventional candidate when he exclaimed, "Awww, shucky ducky," as he announced his presidential bid in May. The Cain train of memorable moments (including those in which he says he can't remember something) hasn't stopped chugging since. Click through to take a look back through highlights of his colorful campaign -- from funny to inflammatory.
The Trail: 2012 Presidential News from the Field / CAMPAIGN 2012
Most Memorable Moments of Cain's Unconventional Campaign -- VIDEO
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