Terry Gross

A pioneer in the field of evolutionary biology, Wilson explored the complex cooperation among ants, including the role of natural in their colonies. He died Dec. 26. Originally broadcast in 1994.

House Speaker Nancy Pelosi, D-Calif., asked Raskin to serve as the lead manager in the second impeachment trial of President Donald Trump. Looking back now, Raskin sees Pelosi's request as a lifeline. He has a new memoir.

TV critic David Bianculli says all you need to know, really, is that Boba Fett is a bounty hunter who first showed up in The Empire Strikes Back, and appeared to die in the next film, Return of the Jedi.