Sen. John McCain (R-Ariz.) on Friday defended GOP presidential candidate Mitt Romney from critics who mocked him for calling himself an "unofficial Southerner" at a campaign stop the previous day. "Now they’re attacking Romney for joking about learning to say “y’all”? According to the left, no one can have a sense of humor - lighten up!" In Mississippi, Romney told the crowd that his bodyguard, a Mississippi native, was turning him into an "unofficial Southerner." "I'm learning to say 'y'all' and I like grits, and strange things are happening to me!" the former Massachusetts governor added. Critics were quick to...