Russia's full-scale invasion of Ukraine sparked the biggest and fastest mass exodus of civilians since World War II, forcing 8 million Ukrainians to leave the country and leaving a further 8 million internally displaced. CBS News' Charlie D'Agata was there to see the mass exodus firsthand. One year later, he revisited some of those affected.The Supreme Court is set to hear arguments this week that could hold social media outlets accountable for some of the information and videos they recommend to their users. Psychologist Lisa Damour discusses her new book, "The Emotional Lives of Teenagers, and the mental health crisis that is impacting American teens. An estimated 80 endangered whales are killed by ship strikes every year off the United States' West Coast. A program called Whale Safe hopes to dramatically reduce that number. When it comes to music in New Orleans, there is perhaps no bigger name these days than Trombone Shorty. CBS News contributor Jamie Wax sat down with the touring musician to learn about his unprecedented career and his mission to bring more diversity to Mardi Gras.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.