Daily Kos: Leveraging Xenophobia and Other Bush Administration Policies
Leveraging xenophobia, and every other incidental difference between individual Americans, is the heart and soul of nearly all Bush administration's policies, foreign and domestic. This constant appeal to our most primitive fears - of scarcity, of violence, of foreigners, of our neighbors - is a calculated manipulation designed to divide Americans against each other, and it is destroying the very premise upon which this country was founded: E Pluribus Unum, "out of many, one."
You should read all of that.