Breitbart reported that John McCain intimated he might run again in 2016 (presumably for his Senate seat). He will be 80 years old by then.
What a crying shame if AZ would actually re-elect him. I would be amazed if he wasn't primaried.
Not to mention, if he were to die in office, they'd pay his millionaire wife her $174,000 or more, like Lautenberg's widow.