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Linda Thomas-Greenfield appears before the Senate Foreign Relations Committee hearing on her nomination to be the United States Ambassador to the United Nations, on Capitol Hill in Washington, DC, on January 27, 2021.

Biden’s UN Nominee Thomas-Greenfield Awaits Vote After Questioning on China, Iran, Israel and More

As President Joe Biden prepares for his first major foreign policy speech in office this week, his nominee for ambassador to the United Nations, Linda Thomas-Greenfield, awaits…
Anti-nuclear activists of ICAN (International Campaign to Abolish Nuclear Weapons) and other peace initiatives stage a protest with 51 flags of countries that ratified the UN Treaty to Ban Nuclear Weapons and a banner reading "Nuclear weapons are forbidden ! More than 50 states joined. Germany didn't", in front of the Chancellery in Berlin, on January 22, 2021.

NATO and the Nuclear Weapons Ban Treaty: Options for the Biden Administration

Whether the Treaty on the Prohibition of Nuclear Weapons becomes a problem for NATO is entirely up to the allies.
Russian nuclear missile rolls along Red Square during the military parade marking the 75th anniversary of Nazi defeat, on June 24, 2020 in Moscow, Russia. The requirement to wear masks and gloves to combat a spread of the Coronavirus (COVID-19) is still in effect in Moscow, but none of the military members lined up wear face masks.

The Demise of Arms Control Extends Far Beyond Nuclear Weapons

Bilateral and multilateral mechanisms are disintegrating amid tech advances, and “grey zones” below military conflict thresholds are ripe for exploitation.
U.S. and Iran flags are projected on chess kings on a chess board. The projection continues to the background behind the chess pieces, leaving shadows of the chess pieces.

Shifting Contours, But the Same Solution: Swiftly Returning to the Iran Nuclear Deal

While the landscape between Iran and the United States has changed dramatically over the last few months, the solution to Iran’s growing nuclear stockpile and increasing tensions…
Antony Blinken rests his chin in his hand during his confirmation hearing to be Secretary of State before the US Senate Foreign Relations Committee on January 19, 2021 in Washington, DC.

Blinken Sails Through Queries on Iran, China, Russia, NATO, and More in Secretary of State Confirmation Hearing

The Senate Foreign Relations Committee's Republicans and Democrats alike were mostly welcoming as they probed his approach to the world's trouble spots.
Members attend the signing ceremony for the Treaty on the Prohibition of Nuclear Weapons September 20, 2017 at the United Nations in New York.

The Treaty on the Prohibition of Nuclear Weapons and its Limited Impact on the Legality of their Use

On October 24, 2020, following Honduras’ ratification, the UN announced the Treaty on the Prohibition of Nuclear Weapons (TPNW) would enter into force on January 22, 2021. Accompanying…
Iranian President Hassan Rouhani and Swiss President Alain Berset hold a joint press conference following various signing ceremonies in Bern on July 3, 2018.

Why Biden May Try to Return to Iran Nuclear Deal Before Renegotiating It

With only five months between President-Elect Biden’s inauguration and Iranian presidential elections in June, in which hardliners are likely to prevail, a clean U.S. return…
Destroyed buildings in Hiroshima-Shi, Japan.

How I Came to Support the Treaty Prohibiting Nuclear Weapons

For too long, too many people in the U.S. military, in government, and in the general public have not fully contemplated how disastrous using nuclear weapons was and could be.…
Three people walk and talk along a tree and grass-lined path at the Yuzhnoukrainska Nuclear Power Plant on June 19, 2018. One of the power plant’s cylindrical towers is covered in a sculptural art piece. The 3rd unit of Yuzhnoukrainsa Nuclear Power Plant is the first one in Ukraine loaded with a full core of nuclear fuel delivered by the Westinghouse Electric Company (USA).

Trump’s Impact on Nuclear Proliferation

On the need to review Trump associates' secret bargaining in nuclear energy sector. Not just a question of accountability. But of continuing vulnerabilities in national security.
Parchment paper reading, “The Good Governance Papers: A Collection of Essays in favor of public integrity and the rule of law as written upon at Just Security Fall 2020”

Good Governance Paper No. 20: Repairing and Strengthening Norms of Nuclear Restraint

Latest in a series of top experts exploring proposals to restore and promote nonpartisan principles of good government, public integrity, and the rule of law.
Secretary-General António Guterres briefs reporters on the signing of a ceasefire agreement by the Libyan parties in Geneva under the auspices of the United Nations.

National Security This Week at the United Nations (October 23-30)

Treaty on Prohibition of Nuclear Weapons gains 50th signatory; schools face terror attacks in multiple countries; COVID-19 infections interrupt UN meetings; UN expresses concern…
The final day of negotiations on the Treaty on the Prohibition of Nuclear Weapons (TPNW) at the United Nations in New York in July 2017.

A Turning Point in the Struggle Against the Bomb: The Nuclear Ban Treaty Ready to Go Into Effect

The US and other major nuclear powers tried to slow the momentum, but the treaty has already changed the conversation.
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