Chris Matthews, host of MSNBC’s "Hardball," joins us to discuss his new book Bobby Kennedy: A Raging Spirit. Matthews draws on archives and interviews to shed light on the life and ambitions of Robert Francis Kennedy. He chronicles his early years, his start in politics and his tragic run for president.  Chris Matthews is appearing for an event at Hudson Union on Oct. 30 at 6:30 p.m. For more information click here. Note: Melissa Eagan guest-hosted this segment of "The Leonard Lopate Show."