(Newser) – Honeymoon on the Appalachian Trail? More than a year and a half after unceremoniously leaving office, Mark Sanford is engaged to Argentine mistress Maria Belén Chapur, reports CNN, which also has exclusive photos of the happy couple. "Yes, we are engaged, and I’m both happy and excited for what that means,” Sanford said in the statement. “I have long expressed my feelings for her, she’s a wonderful person."