At the COP27 summit, leaders will discuss how to deal with the many consequences of climate change. These four cases show how the climate crisis is altering the threat of zoonotic diseases.

 It’s time to hold Egypt accountable for the U.S. citizens it has unjustly victimized.

The key to its success will be dodging zero-sum choices between the two superpowers.

Even calculating for the rising threat from China, leaving the INF puts the United States in a worse strategic position than if it were to stay in.

Diplomacy could well come to occupy center stage for a president who relishes summitry.