Today on Boston Public Radio: We opened the show by taking listeners' calls, hearing their reactions to the news from the MBTA that Orange Line trains will run at reduced speeds until December despite work done during a 30-day shutdown. Jenifer McKim and Sarah Betancourt discussed GBH News' investigative reporting series ["Trafficking, Inc.,"](gbh.org/news/trafficking) which dives into labor trafficking in Mass. McKim is GBH News' Deputy Investigative Editor. Betancourt is a GBH News reporter. Juliette Kayeem discussed the death of former Defense Secretary Ash Carter, and backlash over a letter on Ukraine negotiations released by Democrats that has since been withdrawn. Kayyem was the assistant secretary for Homeland Security under former President Barack Obama, and is the faculty chair of the Homeland Security program at Harvard’s Kennedy School of Government. Her 2022 book is “The Devil Never Sleeps: Learning to Live in an Age of Disasters.” Erika Kinetz and Tom Jennings joined the show to discuss Frontline’s latest documentary, “Putin's Attack on Ukraine: Documenting War Crimes.” Kinetz is a global investigative reporter for the Associated Press. Jennings is a director for Frontline. Jared Bowen talked about ongoing arts events in and around Boston, from "Metal of Honor" at the Isabella Stewart Gardner Museum to Claudia Comte’s "Five Marble Leaves" along Boston's waterfront. Bowen is GBH News’ Executive Arts Editor. Joan Donovan joined us to discuss her new book, which looks into far-right meme culture and its dissemination into mainstream politics. Donovan is a media researcher and adjunct lecturer at the Harvard Kennedy School. Her new book is “Meme Wars: The Untold Story of the Online Battles upending Democracy in America,” cowritten with Emily Dreyfuss and Brian Friedberg. We ended the show by asking listeners if they're pro- or anti-leaf blower.