I'm sorry to say I don't personally know anyone today from that movement who has admitted he was wrong, ala David Horowitz. No doubt there are other Freepers in this category, but all of the aging boomers of my acquaintance cling to the delusion that their moral superiority and idealism saved the world from the evil war of Nixon.
I have no idea what you were responding to. I was correcting your use of the past tense in the sentence I pasted from your comment.