Elle Fanning, Ben Schwartz | Tanks But No Tanks

It can be difficult to trace the owners of Russian superyachts, but authorities continue to find selfies on social media that help link oligarchs to their boats. In congressional news, Stephen is still waiting for an answer from Senator Chuck Grassley about the alleged annual gathering known as Chuck Grassley’s Ass Jamboree. Next, in the latest edition of “Cyborgasm,” Stephen examines a robot that feeds treats to your dog, and takes a cautious look at China’s latest space exploration technology. Elle Fanning makes her first visit to The Late Show for a chat about how she got into character for the very complicated role she plays in the new series, “The Girl From Plainville,” streaming now on Hulu. And former “Late Show with David Letterman” page Ben Schwartz returns to the Ed Sullivan Theater for the first time in decades to tell Stephen about his new film, “Sonic the Hedgehog 2,” which opens in theaters on April 8th. Learn more about your ad choices. Visit megaphone.fm/adchoices