It has been nearly three months since Russia invaded its neighbor. From the beginning, the unified reaction of the U.S. and European allies was surprisingly strong, implementing dramatic sanctions and offering military aid.

But now, as Western economies navigate disrupted supply chains and pipelines and a crunch on the global wheat supply, there are questions about how much further they can afford to push Russia on the economic battlefield.

Sebastian Mallaby is a senior fellow for international economics at the Council on Foreign Relations and a contributing columnist for the Washington Post. Diane talked to him about the short and long-term economic effects of the conflict.