How to help Ukrainian refugees; negotiating with Russia to end the war; how shortwave radio can help fight disinformation; the link between Russia’s war and the Arctic; how U.S. security assistance has helped Ukraine; why Russia would likely struggle to retain vast swaths territory; how reasoning and cognitive biases affect resistance to Truth Decay; using data to understand environmental racism; and what wastewater can reveal about the spread of COVID-19. For more information on this week’s episode, visit rand.org/podcast.