"Even when 'people power' succeeds in ousting oppressive leaders, there is no guarantee that what comes next is peace or democracy," Elizabeth Shackelford writes.
"I don't think he's trying to apologize or recognize any fault of the Islamic Republic... if he goes back one step, the revolution will come two steps forward."
"Iranians have protested several times against the Islamic Republic, and every time they have been silenced, every time they have been repressed, brutally."