CIA Director Mike Pompeo (right) is President Trump's choice to replace Rex Tillerson, who has been fired as secretary of state. Chris Kleponis/Pool/Getty Images; Joe Raedle/Getty Images hide caption
Iran nuclear deal
Wednesday
Friday
President Trump announced he would not recertify the Iran nuclear deal and warned that the U.S. could withdraw from it "at any time." Brendan Smialowski/AFP/Getty Images hide caption
President Trump on Friday stated that the Iran nuclear deal is not in the best interests for the security of the United States, but stopped short of withdrawing from the 2015 agreement. Drew Angerer/Getty Images hide caption
President Trump announces he will not recertify the Iran nuclear deal on Friday, ahead of Sunday's deadline. The deal is still in effect, but the president is pushing for a new strategy. Brendan Smialowski/AFP/Getty Images hide caption
President Trump speaks during a nomination announcement at the East Room of the White House on Thursday. Alex Wong/Getty Images hide caption
Thursday
Iran's President Hassan Rouhani speaks at the United Nations in September. Kevin Hagen/Getty Images hide caption
Wednesday
Iranian President Hasan Rouhani delivers a speech during the opening session of the new Parliament in Tehran in 2016. Atta Kenare/AFP/Getty Images hide caption
What Is — And Isn't — Covered By The Iranian Nuclear Deal
Wednesday
President Hassan Rouhani addresses Iran's Parliament on Aug. 20. He said the top foreign policy priority for his new government would be to protect the nuclear deal. STR/AFP/Getty Images hide caption
Monday
Secretary of State Rex Tillerson speaks at a 2017 Trafficking in Persons Report ceremony at the State Department, in June. On Monday, Tillerson recertified Iran's compliance with the 2015 nuclear deal. Jacquelyn Martin/AP hide caption
Thursday
A woman in Tehran stands in front of a wall plastered with posters of Iranian President Hassan Rouhani, whose re-election bid will have its decisive moment Friday — unless, of course, the voting results in a runoff. Atta Kenare/AFP/Getty Images hide caption
Wednesday
U.S. Secretary of State Rex Tillerson, pictured in Moscow last week, says Iran has been abiding by a 2015 nuclear agreement. But he told Congress in a letter that the Trump administration was reviewing the lifting of U.S. sanctions against Iran to determine if that was in U.S. interests. Ivan Sekretarev/AP hide caption
Tuesday
Missiles on display in northern Tehran in 2014. A reported missile test by Iran on Sunday has led some American officials to accuse the country of violating a U.N. resolution that accompanied the 2015 nuclear deal. Atta Kenare/AFP/Getty Images hide caption
Tuesday
Then-Secretary of State Madeleine Albright and North Korean leader Kim Jong Il toast in Pyongyang on Oct. 24, 2000. The U.S. and North Korea signed an agreement six years earlier to curb North Korea's nuclear activities in exchange for aid, but it collapsed in 2002, during the Bush administration. Chien-Min Chung/AP hide caption
Will Iran Deal Meet The Same Fate As A Past U.S.-North Korean Arms Deal?
Thursday
Richard Ratcliffe, second from right, delivers a petition to the British prime minister's official residence calling on Iran to release his wife, Nazanin Zaghari-Ratcliffe. She was stopped in April at the airport in Tehran with the couple's 2-year-old daughter as they tried to return to Britain after a family holiday. Ratcliffe was at the United Nations this week appealing for their release. Carl Court/Getty Images hide caption
As Iran's President Touts Openness, Britons Appeal For Release Of Prisoners
Wednesday
U.S. State Department Spokesman John Kirby speaks during a briefing at the State Department on Jan. 6. Mandel Ngan/AFP/Getty Images hide caption