Nope. Stalinism can't be criticized without it turning into red-baiting. Current or past U.S. policy toward *anything* can't be criticized without it turning into Militant Atheistic Communism! It's a nice closed circle, once you get inside it...
Brad DeLong, who has spent the week reading the novels of Scottish science-fiction author Ken MacLeod, in which the Fourth International takes over the world... takes over two habitable planets... and in self-defense uses comets to kill all post-human super-intelligent life that has colonized Jupiter.