THEIR youthful resumés sound remarkably similar: two young men with prominent pedigrees who prepped in New England, enrolled at the same college and joined the same secret society. As Jay Leno noted, the choices in the presidential election range all the way from a rich, white guy from Yale to a rich, white guy from Yale. But in college there was a wide gulf between George W. Bush and John Kerry. As debates about civil rights and the Vietnam War roiled the campus, they went their separate ways. Nobody in those days talked about a division between red and blue...