The WaPo reports today that the last two parties in Iran that advocated political change have been banned (though there is apparently a possible judicial appeal, we ain't holding our breath). In the second paragraph of the article you may read: .... prevents foes of President Mahmoud Ahmadinejad from gaining power through elections.
Needless to say that I am tempted to start a poll as to when will the first Venezuelan political party be banned. You might remember that Iran has a long tradition of banning already all sorts of candidates on the flimsiest excuse, something quickly imitated by chavismo. And to that add that Chavez is, well, monkey sees monkey does.