Nuclear

The risk of nuclear escalation following Russia's invasion of Ukraine is now as high, or higher, than it was during the Cuban missile crisis.

In seeking to end Russia's war in Ukraine, there are risks that attempting a fast conclusion could prolong the suffering it would be meant to alleviate.

Congressional sanctions will have limited effects on Russia's behavior and could harm diplomatic efforts to end the war.

Military and humanitarian aid, sanctions, the broader region, and a domino effect on the Iran deal and Venezuela. Senate hearing highlights.

The State of the Union Address tomorrow comes at a precarious moment for the U.S. and the world.

At one-year mark of Biden administration, top experts revisit proposals to restore and promote nonpartisan principles of good government.

Diplomacy remains the best option to stall Iran's nuclear progress.

US and Russian leaders must consider the use of nuclear weapons off the table. Even use on a "limited scale" carries too much risk.

The US will need a comprehensive approach to strategic ties to uphold deterrence and sustain regional peace and security.

Multilateral and bilateral agreements provide valuable infrastructure in the nonproliferation toolkit. The United States and others should continue to build and strengthen agreements…

With the resumption of JCPOA talks, the Biden team must convince China to stop shoring up Iran's oil economy.

On Nov. 29, Iran and the P5+1 (China, France, Russia, the United Kingdom, and the United States, plus Germany) are set to meet in Vienna for a seventh round of talks on reviving…