Pleased to give this year's Breyer Lecture at Brookings. This essay, based on my lecture, examines how Russia's invasion of Ukraine has tested the international legal order.

https://www.brookings.edu/on-the-record/how-russias-invasion-of-ukraine-tested-the-international-legal-order/

How Russia’s invasion of Ukraine tested the international legal order

Russia put the international legal order at risk when it launched its war a year ago. But what has and will determine the future of the international legal order is how nations respond to that violation.

Brookings