This NPR News Now episode covers stalled U.S.-Iran nuclear talks mediated by third parties and a Pennsylvania lawsuit accusing TikTok of being addictive to youth. It reports on the aftermath of a deadly 7.4 magnitude earthquake in Colombia and primary election results in Minnesota, Wisconsin, and South Carolina. Additionally, the broadcast notes a Toyota recall for display errors, shares research on dogs’ ability to read human emotions, and provides closing stock market figures.