"We strongly condemn the violent and unjust suppression of civilians in Iran seeking to exercise their universal rights. ...It is telling when governments fear the aspirations of their own people more than the power of any other nation."—White House spokesperson Mike Hammer, on the Iranian government's heavy-handed suppression of opposition protesters.
BoingBoing's got a good round-up of more coverage. The Times of London wonders: "Is this Iran’s Berlin Wall moment?"