Less than six months after South Carolina Gov. Mark Sanford copped to conducting an extramarital affair in a tearful press conference, his estranged wife has formally called it quits. Jenny Sanford

Jenny Sanford learns of her husband's affair by discovering a copy of a love letter he wrote to Maria Belen Chapur . Over the next few months, he asks Jenny Sanford whether he can visit Chapur in Argentina.

Gov. Sanford initially claimed he was hiking the Appalachian Trail, but later confessed to visiting his longtime mistress. “I knew he had been having an affair,”