Original sentence: " Null responded by saying: "The guardians of the gates of orthodoxy at PBS... you don't know who their friends are.He sells films on his website that outline this debate.His views are supported by scientists such as Peter Duesberg who have argued that there is no scientific proof that HIV causes AIDS.Null has made several films on public policy issues, personal health, and personal development that have screened at various festivals, some of which are posted on YouTube
Edited sentence: " Null responded by alleging an effort to silence him, saying: "The guardians of the gates of orthodoxy at PBS... you don't know who their friends are.He sells self-made films on his website that promote AIDS denialism.Null has made several of what he calls documentary films on public policy issues, personal health, and personal development that are posted on YouTube