The recent redeployment of U.S. troops won't change the security landscape of Somalia, but it could provide an opportunity for change.

NATO's new Strategic Concept, to be released in June, will need to clearly define the alliance's mission.

Part of terrorism's power is its ability to generate fear disproportionate to the actual threat. Research shows that learning about terrorism curbs this effect.

The United States should be exploring new approaches for attaining its counterterrorism goals.

Russia is keeping the influence it has built up in the Central African Republic, Libya, Mali and Sudan.

As the pace of innovation increases, control lists are falling behind and failing to regulate sensitive technology.

Germany's new commitment to increasing its defense spending and modernizing its military will take years to pay dividends.

The Russian military's poor performance and apparent war crimes demonstrates the hollowness of its hyper-masculine propaganda.

Research on insurgencies holds lessons for how to aid Ukraine, but assessing what policies are best will depend on how the conflict proceeds.

Ukraine and Russia are adapting to a changed media environment that provides new ways to distribute information and disinformation.

Europe is anticipating a world in which Russia is weaker but no less dangerous.

It's not clear that countries providing support to Ukraine have considered the consequences of a long-term conflict.