Iran pledges 'crushing' response to US critiques

In this image issued by the semi-official Iranian Students News Agency, Iranian

President Mahmoud Ahmadinejad vowed Saturday to make the U.S. regret its criticism of Iran's postelection crackdown and said the "mask has been removed" from the Obama administration's efforts to improve relations.

Ahmadinejad — with his internal opponents virtually silenced — all but dared Obama to keep calling for an end to repression of demonstrators who claim the hardline leader stole re-election through massive fraud.

"You should know that if you continue the response of the Iranian nation will be strong," Ahmadinejad said in a speech to members of Iran's judiciary, which is directly controlled by the ruling clerics. "The response of the Iranian nation will be crushing. The response will cause remorse."

The cleric-led regime now appears to have quashed a protest movement that brought hundreds of thousands to the streets of Tehran and other cities