According to Lew Rockwell, the answer seems to be “none” (does he include himself in that assertion?). Or so he argues in his article “None Dare Call It Genocide”:
To the extent anyone pays attention to this stuff, they only hear the words of the State Department spokesman: “The bottom line is that the secretary wants to make sure that we do everything we possibly can to avoid the loss of innocent life.”
In light of the one million plus figure, such statements come off as evil jokes. The US has unleashed bloodshed in Iraq that is rarely known even in countries we think of as violent and torn by civil strife. It is amazing to think that this has occurred in what was only recently a liberal and civilized country by the region’s standards. This was a country that had a problem with immigration, particularly among the well-educated and talented classes. They went to Iraq because it was the closest Arab proxy to Western-style society that one could find in the area.
It was the US that turned this country into a killing field. Why won’t we face this? Why won’t we take responsibility? The reason has to do with this mysterious thing called nationalism, which makes an ideological religion of the nation’s wars. We are god-like liberators. They are devil-like terrorists. No amount of data or contrary information seems to make a dent in this irreligious faith. So it is in every country and in all times. Here is the intellectual blindness that war generates.
The Prime Directive 