Some of these truths are self-evident. America has always been divided, coming together only briefly to confront external enemies, the recent standout moments being the Second World War when it was attacked by Japan, and the aftermath of 9/11 when it was attacked by Islamic extremists, mostly from Saudi Arabia. Except for such times, America has always been divided along racial, religious, cultural, ideological, and economic lines, much like most countries. Where America diff