Christy Turlington Burns was one of the original supermodels. She has walked thousands of runways and appeared on countless magazine covers, including most recently British Vogue’s September issue. But her focus for nearly a decade has been the issue of maternal mortality. She joins Christiane in New York to explain why this cause hits home for her.

In modern music, perhaps no other style is more quintessentially American than country music. Legendary documentary filmmaker Ken Burns has turned his attention to this art form in his new series, “Country Music,” in which he explores the remarkable stories of the people and places behind the genre. He joins Walter Isaacson to discuss what surprised him most about the journey.

Levels of anxiety and depression are skyrocketing in what professionals are calling a mental health crisis. Psychologist Laurie Santos is working hard to reverse these trends. Her class on happiness was the most popular course in Yale University’s history, and it has now been adapted into podcast form. She joins the program to explain how she helps her students combat daily stress.

World oil prices are soaring after an audacious attack on two critical Saudi oil fields. Yemen’s Iran-backed Houthi rebels claim they’re behind the strikes, but the U.S. asserts Iran is solely responsible, while Saudi Arabia itself says “all practical evidence” shows Iranian weapons were used. Vali Nasr and John Kirby join the program to break down what all this means for U.S.-Iran relations.

How do you get beyond fiery debates and foster dialogue? Reverend Irene Monroe describes herself as a black, lesbian, radical feminist who co-hosts the new podcast “All Rev’d Up," where she discusses current issues with an evangelical colleague. She sits down with Michel to talk about the need for dialogue between people of different views. Listen to “All Rev’d Up" at https://allrevdup.org/.

Another week, another Democratic presidential debate. The focus remains firmly on the contrast between frontrunner Joe Biden and his nearest challengers: Bernie Sanders and Elizabeth Warren. Those differences highlight the struggle not just for the nomination, but for the Democratic Party's future. Former strategists from both parties—Mark McKinnon and David Axelrod—join the program to discuss.

In her new book, journalist Azadeh Moaveni follows 13 women who were just girls when they left their home countries to marry militants. She joins the program in London to discuss the lives of the wives, widows and children of ISIS militants who are now languishing in refugee camps across war-torn Syria.

American students today owe a staggering $1.5 trillion in loans – that’s $28,000 in debt for the average graduate. But is it worth it? In his new book, “The Years That Matter Most,” author Paul Tough reminds us that the university system is already tilted towards the wealthy. He sits down with Michel Martin to discuss how inequality has come to define higher education.

Lily Tomlin and Jane Wagner's decades-long relationship has navigated extraordinary changing times, and now a major retrospective at Lincoln Center, “Two Free Women,” is celebrating their work. They speak with Christiane from L.A. to talk about their careers, partnership and this well-deserved honor.

Mark Sanford has become the third Republican to challenge President Trump in his own back yard, as the former Governor of South Carolina announced his bid for president this week. He joins the program from his home state to discuss his longshot bid for the White House.

Director Amy Schatz and Taresh Batra sit down with Hari Sreenivasan to discuss the new HBO documentary "In the Shadow of the Towers" and the experience of Stuyvesant High School students during the 9/11 terror attacks that occurred 18 years ago today.

BBC journalist Carrie Gracie took her employer to task when she discovered that as their China Editor working in Beijing, she was earning half what her equivalent male colleagues were being paid. Her bold fight opened up conversations about women’s value in the workplace, and Gracie joins Christiane in London to discuss her personal story and how women in the workplace can stand up for equal pay.

In October of 2017, journalists Jodi Kantor and Megan Twohey worked to expose Hollywood heavyweight producer Harvey Weinstein, sending shockwaves around the world and earning them a Pulitzer Prize. Their new book “She Said” details the painstaking work that went into their reporting, and just what it took to break such a difficult story.

Fourteen years ago, Hurricane Katrina wrecked Sarah M. Broom’s home and tore up her city. Her new memoir, “The Yellow House,” is an intimate look at a family that was scattered across America, but felt the gravitational pull of home. She speaks with Walter about healing and what remains after all seems to be gone.

Co-directors Waad Al-Kateab and Edward Watts join Christiane Amanpour to discuss their documentary "For Sama," which documents the transformation of the peaceful start of the Arab Spring into a brutal civil war that has destroyed much of Syria.

New reporting by CNN and the New York Times reveals that for decades, a spy with extraordinary access to the Kremlin has provided information to the CIA, only to be extracted by the U.S. in 2017. Jim Sciutto first broke the story, and joins the program alongside retired CIA operative Steve Hall, to discuss this and the ousting of John Bolton from the Trump Administration.

Fashion week is underway in New York City right now, and we get a masterclass in style from the iconic designer Dapper Dan. Born and raised in Harlem, his legendary designs are inspired by the neighborhood he loves. Now partnered with Gucci, Dapper Dan tells Hari how he worked his way up from nothing, as well as what gives someone style.

Over the weekend, President Trump tweeted that he cancelled secret peace talks with Taliban leaders at Camp David. Saad Mohseni has major business interests in Afghanistan, with the country’s largest media company, and has been informally advising the Afghan and US governments in these negotiations. He joins the program to dissect what went wrong, and look at what lies ahead for Afghanistan.

When President Trump cancelled secret peace talks with the Taliban at Camp David, he exposed deep fault lines within his own administration. President Ghani of Afghanistan had been due to join this planned – and now cancelled – summit, and his spokesperson joins the program from Kabul.

In the U.K. today, MPs are packing up and heading home, as Prime Minister Boris Johnson suspends parliament for the next five weeks in the run up to the critical October 31 Brexit deadline. Camilla Cavendish headed the policy team for former Prime Minister David Cameron – the man who called the Brexit referendum in 2016 – and joins the program in London.