David probably wouldn’t disagree with your characterization of what he was doing in the past. He may describe it, but he doesn’t excuse it.
Some of the neocons I’ve met on the other hand are just fine with their personal history. Seem to think that where it conflicts with conservatives, it’s conservatives who were and are wrong.
And I'll willingly admit that my reaction to these people is a very personal and an emotional one.
Still and all, I do buy and read Horowit's books and read his site on line, so I'm not completely devoid of reason and intellect, where he is concerned.