Politics is first of all the pursuit of power. And then in step two it's about what you do with power when you get it. Power offers the supreme seduction of being able to make things go your way, and also avoids having their way imposed upon you. In America, "your way" and "their way" are growing further apart, leaving us in a highly polarized society that is at war with itself. American's political parties and their contrasting ideologies are the...