I am currently watching an hour-long PBS documentary called "The Case for War: In Defense of Freedom". I assume this is the "balance" episode of the eleven-part series "America at a Crossroads", since Richard Perle narrates, debates people, then explains in the voice over why he's right. Perle's arguments range from the sensible to the cynically dishonest. But the amazing thing is that Perle's losing to his interlocutors in his own documentary....