Spoiler alert: Democrat Michael Thurmond and Libertarian Chuck Donovan, who are after that Senate seat, say they don't.
Isakson isn't taking anything for granted. One thing he agrees on with his challengers: Polls don't count; voters do.
"There's only one poll that matters," Isakson told The Atlanta Journal-Constitution, "and it's on Nov. 2."
Read the rest of this story at The AJC.