Russia's war on Ukraine is raising alarm bells again in Europe. After a train attack in Poland and a shot down drone in Lithuania, NATO has responded with strong warnings. Meanwhile, President Trump pushes for de-escalation, with the US proposing a mutual halt in Russian and Ukrainian strikes on critical infrastructure. Former US Ambassador to the OSCE Michael Carpenter joins the program from Prague.  Also on today's show: Dexter Filkins, Staff writer, The New Yorker; Jason Koebler, Co-founder and journalist, 404 Media  Learn more about your ad choices. Visit podcastchoices.com/adchoices