The radical left is another matter entirely. This is the crowd that says America is a fascist police state. The last thing they want to discover is that a real fascist police state exists in Iran.
And there Michael Totten sums up in one sentence what I was going to use 82 paragraphs to write.
If you want to check out some of the many Iranian blogs to get a first hand account of what is going on in that country, Jeff Jarvis has an extensive list.