Full Episode: Kennedy To Run For Senate, Operation Clean Sweep, Lessons From Columbine Shooter's Mother, TV Themes

Host Tiziana Dearing speaks with WBUR's Kimberly Atkins about Joe Kennedy's decision to jump into the Senate race. Plus, looking into the public records from last months so-called "Operation Clean Sweep."  Also, a new documentary profiles the mother of one of the Columbine shooters. We speak with Sue Klebold about her son. And,  in advance of the Emmy Awards, we ask, what makes good TV theme music?