Terry Gross

Falco plays ER nurse Jackie Peyton, who is competent at her high-stress job but struggles with addiction. The sixth season of Nurse Jackie begins Sunday on Showtime.

Barbara Ehrenreich -- a rationalist, atheist and scientist by training -- has written a new memoir called Living With a Wild God: A Nonbeliever's Search for the Truth about Everything.

In How Jesus Became God, Bart Ehrman explores how a Jewish preacher from Galilee was transformed into a deity. "Jesus himself didn't cal himself God and didn't consider himself God," Ehrman says.