On May 19, voters in Iran select their next president. Facebook and Twitter have been blocked there since 2009. But the hard-liner Ebrahim Raisi and President Hassan Rouhani, a reformist, are both turning to Instagram to court young voters. If you want to read more about how I reported on this, you can read this article that I wrote for The New York Times. It appeared in print on A2 on May 19, 2017.