Russia launched a surprise new offensive in northeast Ukraine, near the second largest city of Kharkiv. Russian troops are continuing to advance, we get the latest from our Ukraine correspondent. And in another development in that war, Russia's President Putin replaced the country's defense minister. We get context on both events from a retired U.S. Lieutenant Colonel who used to oversee European affairs at the National Security council.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy