He "knows more than" Joseph Farah (/sarcasm) because he belongs to the Council on Foreign Relations and Oxford Analytica, so he says to Farah:
http://www.wnd.com/news/article.asp?ARTICLE_ID=53030
''In fact,'' Warren added, ''as a member of the Council on Foreign Relations and Oxford Analytica, I might know as much about the Middle East as you.''
I trust him less and less. You gave me one more reason.