The only opposition leader outside Iran that have a chance but he will fail too. 

Son of Mohammad Reza Pahlavi [1], Shahanshah Aryamehr, King Of Iran is Reza Pahlavi II [2], now mostly a residence of USA is the only opposition figure outside of Iran that has a chance against the Iranian regime. But my guess is that he will unfortunately ultimately fail like the rest of the opposition groups.

Peoples Mujahedin (MKO [3]) a very disciplined and organized opposition group had close ties to the revolutionary government. The main problem is that Mojahedin is not very different from this current government and in addition was allied with the arabs, Saddam Hossein. These two vital facts makes Mojahedin very unpopular. The sect of Rajavis are fortunately finished.

This leaves us with Reza Pahlavi II [4]. RP strong pro democracy and civil disobedience not unlike Gandhis is a rational and a great opportunity. Bein a pro democra... >>>