Actually, by showing restraint and allowing the Iranians to resolve this internally, he is respecting their sovereignty. Coming out with a strong statement before this is allowed to play itself out would be foolhardy and Obama knows this. He is a consummate planner - almost never makes a move without fully plotting the consequences.
Furthermore, it is not our place to push "democracy" onto other nations. We can only set examples, plant ideas, and then hope other countries will at least adopt some basic principles.
So you think it was wrong that the US didn't respect national sovereignty of South Africa during the apartheid period? Or is killing people on the street just because of their opinion somehow more acceptable than racial discrimination?
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"If you keep making fun of me, I might just get pissed and not post on here anymore. Start taking me seriously. I'm a student now" Fatja