11:57 PM ET -- Bye bye Ahmadi? Apparently he's leaving for Russia after all. (Thanks to reader Nick.)

Iranian President Mahmoud Ahmadinejad will arrive in Russia on Tuesday for a regional summit that began on Monday, a source at Iran's embassy in Moscow said.

Earlier the embassy said that Ahmadinejad had postponed his visit to the Urals city of Yekaterinburg, in which he was to attend the...