If history scares you or bores you silly, that's probably because a teacher once required you to memorize a bunch of dates - when things like the Magna Carta and the Versailles Treaty were signed, for example. Admittedly, dates are a big part of history, but only because historical events happened in a certain order. If Columbus hadn't sailed the ocean blue in fourteen hundred and ninety-two, the Mayflower Pilgrims might not have looked west for a...