A new talking point is coming out from the Left, namely, "well, memories dim after 35 - 40 years so no one really knows what the actual facts were."
I can say, with experience, that when you were there, going thru some of the sh*t that went on, your memory of those events never dims. I'm sure that the surviving vets from WWII have those images "seared" in their memories and NONE of THOSE guys ever claimed to have been in Cambodia!
A new talking point for the Right should then be: Very true. Let Kerry produce his diary, and ask the DOD for release of all his records.