Six separate terrorist attacks took place in Europe between late September and late November of last year—three in France, and one each in Germany, Austria and Switzerland. All six attacks were inspired by Salafi-jihadist ideology, which is, and will remain, a persistent terrorism threat to Europe and elsewhere in the …

In the years after the 11 September terror attacks, national security strategy in the US came to be dominated by an almost singular focus on Islamist extremism. Efforts to counter the threat of jihadist violence created a cottage industry of experts and researchers whose attention was similarly focused in one …

The U.S. administration seems intent on resuming implementation of the 2015 JCPOA to address the threat posed by Iran’s nuclear program. President Biden’s team will be buffeted by tensions between those advocating engagement and those advocating confrontation with Tehran.