Our fourth and final in a series of chats with Calvin Trillin, the man who—among many other things—casts the U.S. presidential campaign in iambic pentameter. This time around Trillin gives his election post-mortem, discussing Nate Silver, Karl Rovian meltdowns, rhyming "Rodham" with "Sodom," and the Republicans' disengagement with reality. And just how easy it is to be considered an expert in America.

Science, psychology, and art all suggest that our faces are windows to our inner lives. But sometimes it can be pretty hard to see through those windows.