International Security & Defense

Stephen Walt writes that the future will be determined by a handful of big questions: What is China's future trajectory; How good are America's cybercapabilities; What's going to happen to the EU; How many states will go nuclear in the next 20 years; and Who will win the debate on U.S. grand strategy?

This article presents both the fundamental changes that have taken place in Israel's strategic environment, from conventional, state-based threats to primarily asymmetrical ones, and the responses it has developed to date. It also addresses Israel's relations with the United States and other primary international actors, as well as Israel's nuclear and regional arms control policy.

The summit between President Trump and North Korea's Kim Jong Un in Hanoi, Vietnam, ended Thursday without any deal. The two sides failed to reach an agreement due to a standoff over U.S. sanctions on the reclusive nation.

A new study from the Center for a New American Security (CNAS) examines the challenges to strategic stability between the United States and Russia and proposes a series of recommendations for navigating the dangers ahead.

Ash Carter participates in panel discussions at the 2018 World Economic Forum in Davos.

Understanding Cyber Conflict draws lessons from past technological disruptions to inform and shape responses to today’s cyber challenges.