And yet somehow, given the dizzying pace of globalization, the cultural leveling of modernity, it perhaps comes as no surprise that people fear the loss of what they cherish in their particular identities -- their race, their tribe, and perhaps most powerfully their religion. In some places, this fear has led to conflict. At times, it even feels like we're moving backwards. We see it in the Middle East, as the conflict between Arabs and Jews seems to harden. We see it in nations that are torn asunder by tribal lines.