Whether the Ukraine war brings on a global catastrophe will hinge in large part on whether Washington decides to back a Ukrainian effort to retake the Crimean peninsula.
Anatol Lieven is director of the Eurasia Program at the Quincy Institute for Responsible Statecraft.
With his original war aims in shambles, a desperate Vladimir Putin is openly threatening nuclear warfare in Ukraine. The rhetoric of nuclear retaliation and escalation is a risk to the entire world, and, yes, you should be alarmed.
Vladimir Putin’s war on Ukraine is a horrific, unconscionable act. NATO’s expansionist policy made such an invasion more likely. Both of these things are true.