Iran nuclear deal

Iranian Supreme Leader Ayatollah Ali Khamenei waves to the crowd in Tehran, Iran, March 31. Office of the Iranian Supreme Leader/AP hide caption

Head of the International Atomic Energy Agency Rafael Mariano Grossi, left, and Iranian Foreign Minister Hossein Amirabdollahian pictured meeting in Tehran, on Tuesday. Grossi pressed for greater access in the Islamic Republic ahead of diplomatic talks restarting over Tehran's tattered nuclear deal with world powers. Vahid Salemi/AP hide caption

British Prime Minister Boris Johnson (from left), French President Emmanuel Macron, German outgoing Chancellor Angela Merkel and President Biden meet in Rome to discuss renewed talks over the Iran nuclear deal. Brendan Smialowski/AFP via Getty Images hide caption

The director-general of the International Atomic Energy Agency, Rafael Grossi (right), speaks with the deputy head of the Atomic Energy Organization of Iran, Behrouz Kamalvandi, upon his arrival at Tehran Imam Khomeini International Airport on Saturday. AP hide caption

A supporter of presidential candidate Ebrahim Raisi shows her hand with writing in Persian that reads "Raisi," during a rally in Tehran, Iran, Wednesday. He is the country's hard-line judiciary chief and is closely aligned with Supreme Leader Ayatollah Ali Khamenei. Ebrahim Noroozi/AP hide caption

A staff person removes the Iranian flag from the stage after a group picture with representatives of the United States, Iran, China, Russia, Britain, Germany, France and the European Union during the Iran nuclear talks in July 2015 in Vienna. Carlos Barria/Pool/AFP via Getty Images hide caption

A pumpjack operates in the desert oil fields in southern Bahrain on April 22, 2020. Bahrain and other members of the OPEC+ alliance decided Thursday to keep output largely unchanged as they hope to push crude prices even higher after a recent rally. Mazen Mahdi/AFP via Getty Images hide caption

Director General of the International Atomic Energy Agency (IAEA) Rafael Mariano Grossi meets over the weekend with Iranian Foreign Minister Mohammad Javad Zarif. Fatemeh Bahrami/Anadolu Agency via Getty Images hide caption

State Dept. Spokesman Ned Price, seen on Monday, says the Biden administration is willing to talk with Iranian and European officials about the nuclear deal. Kevin Lamarque/AP hide caption

People hold posters showing the portrait of Maj. Gen. Qassem Soleimani at a protest outside the U.S. Consulate on Jan. 5 in Istanbul, Turkey. Chris McGrath/Getty Images hide caption

The European Union's foreign policy chief, Josep Borrell, talks to reporters Tuesday at the European Parliament in Strasbourg, France. The same day, the U.K., France and Germany announced they were lodging a dispute against Tehran under the Joint Comprehensive Plan of Action, or JCPoA, better known as the Iran nuclear deal. Jean-Francois Badias/AP hide caption