Planet Earth is in trouble: superbugs, a warming planet, communities in crisis. But there’s a way forward. We look at the world through "The Optimist’s Telescope." Bina Venkataraman joins Meghna Chakrabarti.

Photographer Jimmy Nelson is out with a stunning new book of pictures and stories of indigenous people around the world — as they see themselves, not as we see them. Meghna Chakrabarti speaks with Nelson.

The U.N. Climate Summit convenes in the U.S. We’re in New York to measure the world’s resolve to halt climate change. Rebeca Sabnam, Julio Friedmann and Susanne Moser join David Folkenflik.

The latest in our series on the achievement gap. Could the problem be the nation’s focus on teaching skills rather than actual knowledge? Natalie Wexler and Sarah Webb join Meghna Chakrabarti.

"The Good Place" is an Emmy-nominated comedy about the afterlife. We're joined by the hit show’s creator. Michael Schur, and actress Kristen Bell, speak with David Folkenflik.

Saudi Arabia oil attacks. The New York Times versus Kavanaugh. Trump’s former campaign manager plays dodgeball on Capitol Hill. GM strikes. Karen Tumulty, Margaret Talev and Jack Beatty join David Folkenflik.

Global chaos over climate change. Wars over scarce resources. Desperate mass migrations. Our guest says that’s the not so distant future if the world doesn’t take action now. Emily Atkin joins Meghna Chakrabarti, along with Francesco Femia.

On the other side of cancer treatment, survivors can face new challenges and fears. We look at ways to help. Laura Landro, Julia Rowland Sue Della Maddalena join Meghna Chakrabarti.

Nostalgia TV makes a comeback. We look at reboots, reunions, revivals and why, 25 years on, we want to hang with "Friends." Marta Kauffman, Eric Deggans and Cristel Antonia Russell join Meghna Chakrabarti.

With news from Israel, Saudi Arabia, Afghanistan and Iran, we talk with a U.S. diplomat who has served across the region about the role the U.S. should play in this delicate moment in the Middle East. Ryan Crocker and Yaacov Benmeleh join Meghna Chakrabarti.