AYESHA RASCOE, HOST:
Now let's turn to what Russia is doing and might do in the days and weeks ahead. The Kremlin has been telling the U.S. and NATO that they are escalating the war by sending arms to Ukraine and has suggested it would retaliate. And last week, we got an idea of Russia's economic power when it cut off gas supplies to Poland and Bulgaria. Agnia Grigas is a nonresident fellow at the Atlantic Council and author of the book "The New Geopolitics Of Natural Gas." She joins us now.
Welcome to WEEKEND EDITION.
