2012 Republican presidential candidate Herman Cain greets supporters during a book signing in The Villages, Florida. Cain promoted his book, "This Is Herman Cain."
2012 Republican presidential candidate Herman Cain greets supporters during a book signing in The Villages, Florida. Cain promoted his book, "This Is Herman Cain." Joe Burbank/Orlando Sentinel/MCT
2012 Republican presidential candidate Herman Cain greets supporters during a book signing in The Villages, Florida. Cain promoted his book, "This Is Herman Cain." Joe Burbank/Orlando Sentinel/MCT

Cain's stumbles raise questions about his past, competence

November 01, 2011 06:53 PM

UPDATED November 04, 2011 05:39 PM

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