Hua Qu, the wife of Chinese-American Xiyue Wang, poses with a portrait of her family in Princeton, N.J., on May 9. Families of Americans detained in Iran are hoping President Trump's decision to withdraw from the Iran nuclear deal will not make it harder to get their love ones freed. Matt Rourke/AP hide caption
An Airbus A321 airliner arrives at Tehran's Mehrabad International Airport during the delivery of the first batch of planes to Iran Air on Jan. 12, 2017. Europe's Airbus has a contract to provide 100 aircraft to the Iranian airline. Atta Kenare/AFP/Getty Images hide caption
The sun sets behind an oil pump in the desert oil fields of Sakhir, Bahrain. OPEC nations agreed to reduce their production, but energy experts say that renewed U.S. sanctions on Iran could derail their supply cut deal. Hasan Jamali/AP hide caption
U.S. Ambassador to Germany Richard Grenell (left) and German President Frank-Walter Steinmeier greet the media during Grenell's accreditation process at the Bellevue Palace in Berlin on Tuesday. Michael Sohn/AP hide caption
President Trump displays his presidential memorandum reinstating nuclear sanctions on Iran at the White House on Tuesday. Evan Vucci/AP hide caption
"The fact is this was a horrible one-sided deal that should have never, ever have been made," President Trump said Tuesday from the Diplomatic Reception Room of the White House. Evan Vucci/AP hide caption
President Hassan Rouhani speaks in a ceremony to mark Iran's National Nuclear Day, dedicated to the country's achievements in nuclear technology, in Tehran on April 9. Office of the Iranian Presidency via AP hide caption
Foreign Secretary Boris Johnson arrives in Downing Street for the weekly cabinet meeting last month in London. Dan Kitwood/Getty Images hide caption
President Trump and French President Emmanuel Macron during an appearance at the White House on Tuesday. Andrew Harnik/AP hide caption
Attendees hold signs and cheer during a Tea Party Patriots rally against the Iran nuclear deal in Washington, D.C., on Sept. 9, 2015. Pete Marovich/Bloomberg via Getty Images hide caption
Mohammad Javad Zarif, Iran's Foreign Minister, in New York City on April 23, 2018. Elias Williams for NPR hide caption
Mohammad Javad Zarif, the foreign minister of Iran, poses for a portrait. Elias Williams for NPR hide caption
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
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