Some pundits say that the early presidential front-runners for the 2016 campaign are Hillary Rodham Clinton and Jeb Bush. They act like it’s the most exciting thing in the world to go to these familiar familial retreads, but what could possibly be more boring than for a country of 311 million people to resort to the same old same old? We may have had a revolution to throw out the British and the monarchy, but the old tribalist instinct lives on.