Atlanta Journal-Constitution: Failure to address global warming will have us all dead or eating each other by mid-century. So says Ted Turner, the restaurateur, environmentalist and former media mogul whose controversial comments have earned him the nickname "Mouth of the South." If steps aren’t taken to stem global warming, "We’ll be eight degrees hotter in 30 or 40 years and basically none of the crops will grow," Turner said during a wide-ranging, hour-long interview with PBS’s …