The transatlantic alliance is strained. That’s a problem. NATO matters because it is critical to the U.S. strategy of keeping World War III at bay.
Analysis

Trump’s volatile nuclear policy begins to take effect
As in many other policy realms, Trump’s nuclear mission also seems to be aimed at reversing the legacy of his immediate predecessor, while having no notable contribution to the initiatives pursued by his Republican predecessor to curb proliferation, even if through proactive means.
Europe and the Iran Deal: Between a Rock and a Hard Place
After more than a year of uncertainty, President Trump announced that the United States would reimpose sanctions against Iran in violation of the JCPoA (Joint Comprehensive Plan of Action), leaving the Iran Deal in limbo.

The Iran Deal: A Conversation Between Close Allies
The U.S. is at odds with one of its staunchest allies. Why?

US Nuclear Posture Review
This is the full version of the US Nuclear Posture Review, first published on 2 February 2018 on the DoD website, and then apparently removed the following day.

Nuclear disarmament approaches after the Ban Treaty: a personal view
In the end the Ban Treaty is but one part of the complexity that is multilateral nuclear deterrence and disarmament diplomacy.

What’s next for the Nuclear Ban Treaty?
The official draft text of a treaty to ban nuclear weapons is likely to be published in the next two weeks (15-26 May 2017).

30 Ways The UK Must Lead In Multilateral Disarmament
Executive Director of BASIC, Paul Ingram, recently authored a piece in the Huffington Post during the launch of BASIC’s new report with UNA-UK, Meaningful Multilateralism: 30 Nuclear Disarmament Proposals for the Next UK Government.