Iran

U.S. troops in the Middle East are prepared to keep an oil transit lane open after Iranian officials threatened to block it.

The Iranian defendants, accused of working for the Islamic Revolutionary Guard, targeted more than 100,000 professors.

The Iranian people "aren't buying" the regime's act, Defense Secretary Jim Mattis said.

The Obama administration gave a free pass to Hezbollah's drug-trafficking and money-laundering operations to secure the deal.

Haley used the charred remnants of an Iranian missile as a backdrop to call for action against Tehran's "malign influence."

Two events in the last month have underscored the growing reach of Iranian influence in the Middle East.