Nuclear disarmament

Iran's Foreign Minister Javad Zarif addresses the High Level Political Forum on Sustainable Development, at United Nations headquarters, Wednesday, July 17, 2019. (AP Photo/Richard Drew)

In this photo released by the official website of the office of the Iranian Presidency, President Hassan Rouhani speaks in a meeting during his provincial tour to the North Khorasan, Iran, Sunday, July 14, 2019. Rouhani said his country is ready to negotiate with the United States if Washington lifts its economic sanctions. (Iranian Presidency Office via AP)

FILE - In this March 22, 2019 file photo, the construction site of Vogtle Units 4 at the Alvin W. Vogtle Electric Generating Plant is seen, Friday, March 22, 2019 in Waynesboro, Ga. It’s not just cutbacks in nuclear plant inspections. Nuclear plant regulators are planning fewer mock commando raids to test plant defenses against terrorist attacks and are considering minimizing some safety warning, part of the rollbacks sought by the industry and gaining traction under President Donald Trump. (Hyosub Shin/Atlanta Journal-Constitution via AP)

FILE - In this April 7, 2019 file photo, a man walks by an election campaign billboard showing Israel's Prime Minister Benjamin Netanyahu, the Likud party leader, in Tel Aviv, Israel. As Netanyahu becomes Israel’s longest-serving prime minister, he is solidifying his place as the country’s greatest political survivor and the most dominant force in Israeli politics in his generation. (AP Photo/Oded Balilty, File)

In this picture released by an official website of the office of the Iranian supreme leader, Supreme Leader Ayatollah Ali Khamenei speaks in a meeting with a group of clerics, in Tehran, Iran, Tuesday, July 16, 2019. Khamenei said Tuesday his country will retaliate over the seizure of an Iranian supertanker carrying 2.1 million barrels of light crude oil. The vessel was seized with the help of British Royal Marines earlier this month off Gibraltar. (Office of the Iranian Supreme Leader via AP)

Iranian Foreign Minister Mohammad Javad Zarif, right, shakes hand with French presidential envoy Emmanuel Bonne, as they pose for photos, in Tehran, Iran, Wednesday, July 10, 2019. France sent Bonne to Tehran to urge Iran to return to complying with the terms of the deal "without delay." (AP Photo/Ebrahim Noroozi)

European Union foreign policy chief Federica Mogherini, left, talks to Spain's Foreign Minister Josep Borrell during a European Foreign Affairs meeting at the European Council headquarters in Brussels, Monday, July 15, 2019. European Union nations were looking to deescalate tensions in the Persian Gulf area on Monday and call on Iran to stick to the 2015 nuclear deal, despite the pullout of the United States from the accord and the re-imposition of U.S. sanctions on Tehran. (AP Photo/Francisco Seco)

FILE - In this Friday, Oct. 20, 2017, file photo, British Ambassador Kim Darroch hosts a National Economists Club event at the British Embassy in Washington. Britain's ambassador to the United States resigned Wednesday, July 10, 2019, just days after diplomatic cables criticizing President Donald Trump caused embarrassment to two countries that often celebrate having a "special relationship." The resignation of Kim Darroch came a day after Trump lashed out at him on Twitter describing him as "wacky" and a "pompous fool" after leaked documents revealed the envoy's dim view of Trump's administration. (AP Photo/Sait Serkan Gurbuz, File)

Iraqi Foreign Minister Mohamed Alhakim, right, holds a press conference with visiting European Union foreign policy chief Federica Mogherini after their meeting at the Ministry of Foreign Affairs in Baghdad, Iraq, Saturday, July 13, 2019. (AP Photo/Hadi Mizban)

French presidential envoy Emmanuel Bonne, left, is welcomed by Secretary of Iran's Supreme National Security Council Ali Shamkhani for a meeting in Tehran, Iran, Wednesday, July 10, 2019. (AP Photo/Vahid Salemi)