AP: COLUMBIA, S.C. After going AWOL for seven days, Gov. Mark Sanford admitted Wednesday that he'd secretly flown to Argentina to visit a woman with whom he'd been having an affair. He apologized to his wife and four sons and said he will resign as head of the Republican Governors Association.
"I've let down a lot of people, that's the bottom line," the 49-year-old governor said at a news conference where he choked up as he ruminated with remarkable frankness...
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