Who denies that Michael Moore is a communist? Not Michael Moore. I gave him the opportunity to stake out a position for himself as a non-extremist at Alice Tully Hall on Monday night. After a screening of "Capitalism: A Love Story" at this sparkling palace of capitalism (cocktails in the Morgan Stanley lobby, little black dresses in the Citi balcony), Tina Brown brought Moore onstage for a Q&A. She posed a series of questions about his skill and daring, then invited the audience to query the filmmaker. I went to a mike and said (I am paraphrasing our chat), "I...