Ross Douthat's column in the New York Times today is worth a read. His closing comment might well be applied to bloggers as well as film makers;. . . Hollywood’s inability to handle political complexity plays only a small part in our ongoing polarization.But it is a part of it. Our nation might be less divided, and our debates less poisonous, if more artists were capable of showing us the ironies, ambiguities and tragedies inherent in our politics — rather than comforting us with portraits of a world divided cleanly into good and evil.