Before the U.S. pulled out, the deal gave Iran money and gave the world assurances that Iran wasn't trying to build nuclear weapons.

Here is a look inside the lives of Iranians from different walks of life — including a fitness trainer, butcher and carpet seller — and how they're coping with an economy battered by U.S. sanctions.

Iran has announced new nuclear steps aimed at the incoming Biden administration, but the U.S. has leverage to push back, argues analyst Henry Rome.