It was supposed to be a discussion about "culture and conscience" with two social scientists, as part of a public gathering of the Center for Humans and Nature at the American Museum of Natural History. But Jonathan Haidt is studying the relationship between capitalism and moral evolution, and our conversation took off from there in surprising directions. The liberal view of capitalism as essentially exploitative may remain alive and well, Haidt says. But the ironic truth of history is that capitalism actually generates liberal values as it takes root in societies. Our conversation preceded this American cultural-political season but offers provocative perspective on it.

Kevin Kling is a performer and an advisory council member of Interact. His plays include "21A" and "Lloyd's Prayer." His books include "The Dog Says How." The new PBS documentary about his life and work is called "Kevin Kling: Lost and Found." This interview is edited and produced with music and other features in the On Being episode "Kevin Kling — The Losses and Laughter We Grow Into." Find more at onbeing.org.

Kevin Kling is part funny guy, part poet and playwright, part wise man. A treasured figure on the national storytelling circuit, his voice inhabits an unusual space — where a homegrown Minnesota wit meets Dante and Shakespeare. Born with a disabled left arm, he lost the use of his right one after a motorcycle accident nearly killed him. He shares his special angle on life's humor and its ruptures — and why we turn loss into story.

David Isay is the founder of StoryCorps and winner of the MacArthur Genius Grant and 2015 TED Prize. His new StoryCorps book is "Callings: The Purpose and Passion of Work". This interview is edited and produced with music and other features in the On Being episode "David Isay — Listening as an Act of Love. Find more at http://www.onbeing.org/program/david-isay-listening-as-an-act-of-love/6268

"The soul is contained in the human voice," says David Isay, founder of StoryCorps. He sees the StoryCorps booth — a setting where two people ask the questions they’ve always wanted to ask each other — as a sacred space. He shares his wisdom about listening as an act of love, and how eliciting and capturing our stories is a way of insisting that every life matters.

Krista Tippett is a journalist and host of On Being. She is the New York Times bestselling author of "Becoming Wise: An Inquiry into the Mystery and Art of Living" and "Einstein's God: Conversations About Science and the Human Spirit." She won a Peabody Award and received the National Humanities Medal for “thoughtfully delving into the mysteries of human existence.” This interview is edited and produced with music and other features in the On Being episode "Krista Tippett — An Inquiry into the Mystery and Art of Living." Find more at onbeing.org.

This episode, a “theft of the dial.” Writer and traveler Pico Iyer turns the tables on our host Krista Tippett by asking her the questions. Her latest book, "Becoming Wise," chronicles what she’s learned through her conversations with the most extraordinary voices across time and generations, across disciplines and denominations. An illuminating conversation on the mystery and art of living.

Frank Wilczek is the Herman Feshbach professor of physics at the Massachusetts Institute of Technology. His books include "The Lightness of Being: Mass, Ether, and the Unification of Forces," and "A Beautiful Question: Finding Nature’s Deep Design." This interview is edited and produced with music in the On Being episode "Frank Wilczek — Why Is the World So Beautiful?" Find more at onbeing.org.

Nobel physicist Frank Wilczek sees beauty as a compass for truth, discovery, and meaning. His book, "A Beautiful Question," is a long meditation on the question: “Does the world embody beautiful ideas?” He’s the unusual scientist willing to analogize his discoveries about the deep structure of reality with deep meaning in the human everyday.

Michelle Alexander is an associate professor of law at the Moritz College of Law and the Kirwan Institute for the Study of Race and Ethnicity at Ohio State University, and has served as the director of the Racial Justice Project at the ACLU of Northern California. Her book is "The New Jim Crow: Mass Incarceration in the Age of Colorblindness." This interview is edited and produced with music and other features in the On Being episode "Michelle Alexander — Who We Want to Become: Beyond the New Jim Crow." Find more at onbeing.org.