Film buffs will view “The Circle.” Roger Ebert said about it when it was released (in 2001?): Few things reveal a nation better than what it censors. In America, the MPAA has essentially eliminated adult sexuality from our movies, but smiles on violence and films tailored for the teenage toilet-humor market. Now consider “The Circle,” a film banned in Iran. There is not a single shot here that would seem offensive to a mainstream American audience. Why is it considered dangerous in Iran? Because it argues that under current Iranian law, unattached women are made to feel like hunted animals.