In the eyes of Mike Pompeo, the day was shaping up to be one of his most commanding displays of diplomacy since becoming secretary of state. Months of planning had finally yielded a meeting among reluctant European officials, Arab leaders and the Israeli prime minister to strategize over confronting Iran.

A look at North Korea's latest rounds of missile tests with David Ignatius of the Washington Post, David Sanger of The New York Times, Lionel Barber of the Financial Times, and Nicholas Burns of Harvard's John F. Kennedy School of Government.

David Sanger, Senior Fellow at the Belfer Center and the National Security Correspondent for the New York Times, writes in the New York Times on the shifting course of American diplomacy with Iran during the negotiations on Iran's nuclear program. From the earliest meetings facilitated by the Sultan of Oman with Iranian officials, to the final hours of the tense negotiations in Vienna, he describes the shifting priorities and views of the American and Iranian diplomatic teams, and how compromises on sanctions and centrifuges allowed the deal to come together.

Payam Mohseni, Director of the Iran Project at the Belfer Center for Science and International Affairs, Dennis Ross, International Council Member, Belfer Center, and David Sanger, Senior Fellow at the Belfer Center, discuss for The New York Times the stakes in the current Iran nuclear negotiations, including the risks of lifting sanctions on Iran, the difficulties in reaching an agreement, and the importance of the current political moment for both Iran and the U.S. in reaching a deal.