The interim peace agreement reached between the United States and Iran last week was the result of weeks of tough diplomacy repeatedly threatened by outbreaks of violence.

The interim peace agreement reached between the United States and Iran last week was the result of weeks of tough diplomacy repeatedly threatened by outbreaks of violence.

As the U.S. and Iran exchanged escalating strikes on June 11, a plane carrying Qatari mediators was stranded on the tarmac in Tehran.