Iranian VP Hassan Mousavi. Photo: www.vinienco.com.

WSJ – WASHINGTON—The U.S. formally called for the release from house arrest of Iran’s two top opposition leaders in a blunt statement that indicated a policy shift regarding Tehran as it approaches national elections.

The politicians, Mir Hossein Mousavi and Mehdi Karroubi, have been detained by Iranian security services for two years after charging the government of rigging 2009 presidential elections, in which both men were candidates and Mahmoud Ahmadinejad was declared the winner.

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