Howard Zinn is a passionate man, and this is a passionate article. He knocks liberals, too.
The Scourge of Nationalism
My favorite quote is "We need to assert our allegiance to the human race, and not to any one nation. We need to refute the idea that our nation is different from, morally superior to, the other imperial powers of world history." I love my country... but do we love it a little too much?