Paul Rieckhoff is a veteran of the current war in Iraq, and currently serves as the Executive Director of Iraq and Afghanistan Veterans of America.
Monday's New York Times featured an excellent op-ed by Rieckhoff regarding the importance of upholding the Geneva Conventions. [Read it.]
Rieckhoff fought in Iraq, so he surely understands war, and all its workings, much better than does chickenhawk Bush.
So what's McCain's excuse?