We’ll speak with Mark Logue, grandson of Lionel Logue, the unorthodox speech therapist who’s featured in The King’s Speech. Then, Jed Rothstein talks about his Oscar-nominated short documentary, “Killing in the Name,” about a campaign by a Muslim victim of suicide bombers to change the minds of jihadis. Joseph O’Connor discusses his novel Ghost Light, about the imagined life of the great Irish playwright, John Synge. Also, we’ll take a look at a new exhibition of Picasso’s guitar-themed works at MoMA. We’ll find out about efforts to protect the planet from asteroids. And Backstory looks at the 40-year rule of Gadhafi in Libya.