Alternatives like natural gas are stepping in to fill some of the gaps, though the grid could still be strained by a hotter-than-usual summer.
Officials have their eyes open to the threats in a way they didn't in 2016, but they are limited by a lack of time and resources.
Olutosin Oduwole was a college student and aspiring rap star when he was charged with "attempting to make a terrorist threat." Did public perceptions of rap music play a role?
Ahead of President Trump's announcement, here's a look at what the sanctions do, what a U.S. pullout would mean, and possible reaction in Iran and around the world.
The 39-year-old has won three Olympic medals — including two golds — and five World Championships. At least five women have accused him and his brother Jean Lopez of sexual assault.