The Obama campaign is playing hardball with Joh McCain.
They are suggesting that age is making him not capable of the job.
The AP quotes the McCain campaign's response:
McCain's campaign admits that some may be concerned about his age, and for that reason, his choice of a VP is critical. But, that's true of EVERY presidential candidate - no matter how young (remember JFK?), presidents may not survive their term.
I just checked on iGoogle - how come the same people that think John McCain is too old at 71 have no problem with Ralph Nader - age 74?
I tested out both men with the Death Clock
John McCain - height 5' 7" - weight 160 - non-smoker
Predicted date of death - Monday, August 22, 2033 - in an optimistic mode
Barack Obama - height 6' 1/2" - weight - smoker (yeah, I know he has said he's quit, but I know that he's also been caught recently)
Predicted date of death - Wednesday, October 31, 2040 - also in an optimistic mode
The difference isn't that great - and, for both, it's long after their term of office would be over.