A reader writes:

I talked to my brother who is in Tehran a couple of hours ago. YouTube is apparently down (filtered). The satellite TV and international radio stations (SW) are also jammed. But apparently a VOA satellite TV station has started to broadcast on a new frequency and so they have access to that. They had also lost the cell-phone service. (The phone system is operated by the Ministry of Technology and Communications; so it is state run.) It really is feeling like a coup.

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.