The killing of Gen. Qassem Suleimani in January 2020 sent conflicting signals about the depth of U.S. engagement in the Gulf. The United States seems intent to diminish its presence while keeping an active hand in regional affairs. Meanwhile, Russia and China are exploring ways to reshape their...

For most of the nuclear age, enhanced strategic situational awareness has been viewed as a benefit for strategic stability. In conventional conflicts with non-nuclear adversaries, the United States has long-enjoyed information dominance in this arena. But can there be too much of a good thing? In...