McCain, grandstanding again.

Please.

It's fairly intuitive that veterans aren't more likely to be extremists, but that the subset of veterans coming off three or four tours in Iraq and Afghanistan who are right-wing fringers and have weapons and combat training and might have PTSD are a hell of a lot more dangerous than your average David Duke fan.

See McVeigh, Tim, the DC sniper, Charles Whitman, Lee Harvey Oswald, etc.