I said nothing to the effect that Gary Null was wrong. I merely said that people should be aware that he is not a traditional PhD, having gotten two of his diplomas from non-traditional correspondence type schools that some consider to be diploma mills.
I like Nunn and have one of his books that I have found very useful - but I also realize that he is quite the self-promoter and hawks his books and products with the best of them.
Regarding the HIV-AIDS question, I will point out that it was I who posted a rather compelling and though provoking video here at CureZone in the Conspiracy Forum and also linked to it in the AIDS support forum: