In his latest film, British director Orlando von Einsiedel turns the camera on himself. "Evelyn"—named after his brother who took his own life 14 years ago—is a moving portrait that looks at a family dealing with loss and grief. He tells Hari Sreenivasan why, despite the perilous locations of his previous films, his latest work was by far his most challenging.

Today is a pivotal moment in U.S. history. The White House has released a transcript of President Trump's now infamous phone call between President Trump and the President of Ukraine. It confirms Trump pushed Ukraine to investigate the son of former Vice President—and possible 2020 presidential rival—Joe Biden. Barbara Boxer and Elie Honig join the show to discuss.

Uber has radically changed the way we travel, the way we socialize and the way we eat. But the Silicon Valley behemoth is a controversial company; it's losing billions of dollars and has come in for huge criticism for everything from its treatment of its drivers to its sometime fractious relations with city authorities around the world. Uber CEO Dara Khosrowshahi joins Christiane to discuss.

McKinsey & Company is the world’s most powerful consulting firm, whispering in the ears of companies and governments around the world. But in the past year it has come under fire for both its involvement in the opioid epidemic and its work with Saudi Arabia. Walter sits down with McKinsey’s global managing partner Kevin Sneader to talk through the controversies.

Today, world leaders gather in New York for the annual United Nations General Assembly, but as President Trump and U.K. Prime Minister Boris Johnson appear before the world, they both face major crises at home, with controversies that call into question their commitment to the rule of law and to democracy itself. Jane Harman and Gérard Araud join Christiane Amanpour to give their perspectives.

The primary focus of this year’s UN General Assembly is undoubtedly the climate crisis. Young people around the world have been demanding action, much of it driven by Swedish teenager Greta Thunberg. As pressure continues to build, Christiane speaks with former Vice President Al Gore about the momentum for finally tackling this crisis.

The big story of this week – and of this generation – is the global climate crisis. In her new book, “On Fire,” progressive journalist Naomi Klein is throwing her weight behind legislation that would both address the climate crisis and overhaul the U.S. economy, as she explains to Hari Sreenivasan.

Over Iran, much is at stake for Washington: its hardline policy, its credibility as a defender of allies, and President Trump’s instinctive reluctance to start another war in the Middle East. Brian Hook is the U.S. Special Representative for Iran, and joins the program for an exclusive interview from the UN.

The Trump administration has sent mixed messages on how it plans to hold Iran accountable for the recent attack in Saudi Arabia. Iran’s top diplomat joins the program to respond and to assess the chances of a diplomatic breakthrough at the UN General Assembly this week.

In the Democratic race to be the party’s presidential nominee, one long shot candidate who has made a mark is Marianne Williamson. One of Oprah’s favorite motivational speakers and a best-selling author, Williamson has set herself apart from other candidates with her spiritual take on politics. And although she didn’t reach the debate stage this month, she’s not dropping out of the race just yet.

Today, young people all over the world participate in the global climate strike. Fighting the climate crisis is a personal and moral decision for author Jonathan Safran Foer, who has gone from writing acclaimed novels to penning impassioned non-fiction decrying climate inaction. His latest book “We Are the Weather” explains how “saving the planet begins at breakfast.”

Julian Fellowes is writer-producer of feel-good mega-hit “Downton Abbey,” the upstairs-downstairs drama that’s full of nostalgia for old-fashioned British grandeur. The award-winning TV series is now a film, with all the familiar characters returning to the big screen. Fellowes joins the program from New York to talk about what keeps pulling him – and us – back to this bygone era.

Inspired by Swedish schoolgirl Greta Thunberg, millions of young people across the world plan to come out on strike from school to demand climate action tomorrow. Xiuhtezcatl Martinez, one of the young organizers of the strike, has been protesting since he was six years old, and coming from indigenous Mexican descent, believes protecting the Earth is his spiritual duty.

This year marks 400 years since the first African slaves arrived on American shores, and despite a civil war, this country has never had a serious truth and reconciliation effort. Moral philosopher Susan Neiman joins Christiane Amanpour to discuss her new book "Learning from the Germans," which reflects on how the U.S. can atone for its sins.

Benjamin Netanyahu, the longest-serving leader in Israel’s history, is staring into the abyss. This week voters went to the polls for the second time in five months, and again neither Netanyahu nor his main rival Benny Gantz gained an outright majority. Dan Meridor and Ronen Bergman discuss what this means for Israel's future.

As president of Microsoft, Brad Smith leads one of the world’s most valuable companies. His new book “Tools and Weapons” – co-authored with Carol Ann Browne – pulls back the curtain on Microsoft, as the company grapples with the ethical questions that come with technology like AI. Smith sits down with Hari to explain why he’s one of the few tech leaders today calling for more privacy regulation.

The climate crisis is having a devastating effect not just on the places we live, but also on our human rights. As the existential issue of our time, it will take center stage at this year’s UN General Assembly next week. Michelle Bachelet joins the program from Geneva to discuss what concrete action world leaders can take when they convene.

Sci-fi epic “Ad Astra” sees Brad Pitt tackle a space odyssey for the first time, as he plays an astronaut sent to the outer edges of the solar system to find his long last father. But, as well as a space adventure, it’s also a profound meditation on masculinity and vulnerability, subjects that he tells Christiane are close to his heart.

Former U.S. Ambassador Samantha Power's first book on genocide, “A Problem from Hell,” won her a Pulitzer Prize. But when she served on President Obama’s National Security Council and later as Ambassador to the United Nations, Power found that the road to hell is often paved with good intentions. She sits down with Walter Isaacson to discuss her new memoir “The Education of an Idealist.”

In the U.K., the Supreme Court is hearing arguments in what will surely be one of its most momentous decisions in years: whether Prime Minister Boris Johnson broke the law by asking the Queen to suspend parliament ahead of the Brexit deadline next month. Former U.K. Foreign Secretary David Miliband weighs in on this and another ongoing international crisis: the attack on Saudi oil installations.