According to this Salon (yes, Salon) article:

And in protest marches, antiwar advertising and local arts events, the evidence leaves one to wonder whether this highly visible bloc of the left has weighed these issues -- weighed life by life the repression of the 24 million Iraqis who live in a ruthless police state, not to mention the thousands or tens of thousands who have been imprisoned without trial, tortured, exiled or killed. Instead, it sometimes seems that the left is so averse to war, especially war waged by America, that it is prepared to turn a blind eye to even the most ghastly realities. Perhaps it is because the left no longer sees these realities that its antiwar arguments tend to justify continuation of the status quo... Today, the explicit anti-totalitarian impulse has been narrowed and diminished in leftist culture. Instead, the fundamental leftist reflex has evolved into something related, and yet quite different: antiwar, anti-America, and anti-American authority...