Terry Gross

A group called ALEC — the American Legislative Exchange Council — "is at the forefront of an effort to push business-friendly, conservative legislation at the state level," says reporter John Nichols. He discusses what recently leaked documents reveal about the organization.

Project Nim is the new documentary about a chimpanzee raised in a human household as part of an experiment to see if chimps could learn language. Director James Marsh and two of the people who cared for Nim talk with Terry Gross about the controversial study.

Welch and Rawlings perform an in-studio concert featuring several songs from The Harrow and the Harvest, and talk about many of the lyrics they've written over the years.