Ukraine and War Powers: A Legal Explainer The United States’ evolving response to Russia’s war against Ukraine – including the deployment of additional U.S. troops to eastern Europe and potentially additional arms transfers – has raised questions about the legal framework for the United States’ involvement in NATO, the obligations …

As the uncertainties surrounding Russia’s invasion of Ukraine continue to multiply, one thing seems clear: Europe is poised to experience a level of population upheaval not seen on the continent since the 1940s. Exactly a week has passed since the war began, and already more than 1 million Ukrainians have …

Just over a week since it began, Russia’s invasion of Ukraine resembles a tale of two wars. For Russian President Vladimir Putin, the past week can hardly have been reassuring. Between the poor performance of the Russian military on the ground and the existential shock of Western sanctions on the …