Hari Sreenivasan sits down with Francisco Cantú, a third generation Mexican-American and former border patrol agent. He discusses his new book "The Line Becomes a River," and the brutality along the landscape he loves.

Michel Martin sits down with author of “American Prison,” Shane Bauer. After being released from Iran’s notorious Evin prison, investigative reporter chose a surprising assignment: going undercover as a prison guard in Louisiana. He discusses the brutality of life behind bars.

As two leaders seen to spurn traditional alliances, President Donald Trump and Brazilian President Jair Bolsonaro, meet at the White House, veteran US diplomat and former Deputy Secretary of State, William Burns, discusses the value of diplomacy. It’s a case he makes in his new book “The Back Channel,” tracing his involvement in some of the most consequential events in recent history.

Walter Isaacson sits down with Bruce Springsteen’s wing man, actor and musician “Little Steven” Van Zandt.

Michael Sandel, a political philosophy professor at Harvard, argues society is losing its ability to reason on key issues in the political arena.

As New Zealand reels from the worst terror attack in its history and police arrest a suspect from Australia, Kevin Rudd, former Australian Prime Minister, speaks to Christiane Amanpour.

Following the tragic terrorist attack in New Zealand, Peter Neumann, the founding director of the International Centre for the Study of Radicalisation and Political, and Jonathan Greenblatt, CEO of the Anti-Defamation League, discuss what is fueling these deadly attacks by far-right extremists.

As students skip school in thousands of cities around the world to demand action on climate change, correspondents Bill Weird and Atika Shubert join the program live from the field to set the scene and discuss.

Award-winning author Laurie Halse Anderson discusses how sexual abuse can shame many into silence, and why she named her new memoir recounting her own personal experience with sexual abuse, “Shout.” Anderson's first book, "Speak," a teen fiction novel about a rape survivor, was a worldwide phenomenon and sent her on a speaking tour of high schools around the U.S. to talk about sexual assault.

Michel Martin sits down with Arthur Brooks, author of “Love Your Enemies,” who argues America’s political back and forth needs less trolling and more respect.

As a major criminal case highlights alleged corruption in admissions to America’s most elite universities, Larry Summers, the former President of Harvard University and former U.S. Treasury Secretary, discusses the place of privilege in college admissions.

Walter Isaacson sits down with Joi Ito, Director of the MIT Media Lab, to discuss some of the most complex moral problems facing tech innovators.

Hari Sreenivasan sits down with Todd Douglas Miller, director of “Apollo 11,” to discuss his new documentary which shows us the moment Neil Armstrong set foot on the moon, fifty years ago, in an entirely new light.

Walter Isaacson sits down with the first ever female president of Harvard University, Drew Faust, who helped steer the institution through choppy financial waters, and was at the helm when students alleged the admissions office discriminates against Asian Americans, and sued – a case which is still ongoing.

Americans pay more for worse healthcare outcomes than anywhere in the western world. One bold new plan to fix this is ‘Medicare For All,’ which has become a rallying cry for many Democrats – including most presidential contenders in the party. 'Medicare For All' was recently introduced in the House by lead co-sponsors Jayapal and Dingell, who joined Christiane from DC to discuss their proposal.

"Game of Thrones” is about to return for its eighth and final season, and anticipation is high. Lena Headey plays Queen Cersei Lannister, one of the few original characters to have survived the show’s many violent episodes. Headey also is a prominent campaigner for the International Rescue Committee; she recently visited refugee camps in Greece and is calling for better mental health care there.

Hari Sreenivasan sits down with futurist Amy Webb, who warns against the dangers of tech giants and their latest technology in her new book “The Big Nine: How the Tech Titans and their Thinking Machines Could Warp Humanity.”

Michel Martin sits down with Davarian Baldwin, author and professor of American studies at Trinity College in Connecticut, to discuss why racist practices from the past continue to haunt U.S. politics today.

Walter Isaacson sits down with bestselling author Steven Johnson to discuss his latest book “Farsighted: How We Make the Decisions That Matter Most.”

David Wallace-Wells, the author of "The Uninhabitable Earth," joins Christiane Amanpour to discuss why it's time to panic about climate change.