Here's a few of the more tasty quotes that should raise the hackles on your neck a bit from an article in the Economist. I found it on Brad DeLong's blog.
"Sometimes, they say, they fire on vehicles encroaching with 30 metres, sometimes they fire at 20 metres: 'If anyone gets too close to us we fucking waste them,' says a bullish lieutenant. 'It's kind of a shame, because it means we've killed a lot of innocent people.'"
...Their [US Troops] contempt for Iraqis is undisguised and dramatically expressed: a soldier, confronted by "jeering schoolchildren," fires canisters of buckshot from his grenade-launcher at them, and marines busting down doors in Ramadi scream at trembling middle-aged women: "Bitch, where's the guns?" Small wonder, ventures the correspondent, that "many Iraqis are probably more scared of American troops than of insurgents."
...That seems to have been the Bush administration's approach to Iraq. Take the mistakes of Vietnam and repeat them exactly. And at that you can't say they haven't succeeded...