In a busy week for diplomacy, world leaders are weighing up what a second Trump term could mean for the U.S. and the world. To the former president's niece, Mary Trump, it would spell nothing but bad news for American democracy. Mary Trump joined Michel Martin to discuss her views on the upcoming election and her latest book, "Who Could Ever Love You."

In his new book, historian Timothy Snyder explores what freedom is, how it has been misunderstood, and why it's our only chance for survival. The author joins the show.

Artificial Intelligence is the next frontier of the technological revolution. As it continues to evolve at breakneck speed, how can we ensure it is safe, ethical and accessible to all? Carme Artigas, Co-Chair of the U.N. Artificial Intelligence Advisory Body, joins the show to discuss all this.

Democracy has undergone a major stress test this year, with nearly half the world's voting population heading to the polls in a time of democratic backsliding and growing extremism. Francis Fukuyama, senior fellow at Stanford University's Freeman Spogli Institute, discusses the danger of taking democracy for granted, and -- following his trip to Ukraine -- how he believes the war there might end.

Ayana Elizabeth Johnson, a leading marine biologist and climate policy expert, offers a hopeful look at how to confront the climate crisis gripping our world — and flourish in the process. Johnson sits down with Hari to discuss her vision for a thriving, sustainable future. She explains how a diverse set of experts in fields such as farming, finance, and fashion helped to shape her ideas.

Complication is rife this election season, in view of Trump's indictments, Biden bowing out, Kamala Harris stepping in, and now an apparent second assassination attempt against the former president at his Florida golf course. Presidential historian Timothy Naftali talks to Walter Isaacson about the events of this weekend and what they say about American politics today.

In Yuval Noah Harari's new book "Nexus: A Brief History of Information Networks from the Stone Age to AI," the bestselling author and historian looks at the unique challenges that artificial intelligence represents for our time. Harari joins the show.

Jerusalem Demsas, staff writer at The Atlantic, calls the American housing market a "national tragedy." In her new book, "On the Housing Crisis: Land, Development, Democracy," Demsas addresses questions of class segregation and why it is so difficult to find an affordable home. The author sits down with Hari Sreenivasan.

After the recent debate between Vice President Kamala Harris and former president Donald Trump, some voters are still deciding whom to vote for in November. Senator Rand Paul, who backed Trump in 2020, is not yet ready to give him his endorsement. The Senator joins Walter Isaacson to explain why.

The country's most prominent Latino civil rights organization has made an unprecedented move in choosing to endorse the Harris-Walz ticket for the White House. It is LULAC's first official endorsement in nearly 100 years. Juan Proaño is the head of that organization, and he joins Michel Martin to explain what motivated the decision.

America's public school system is in crisis. Enrollment has plummeted since the pandemic, with one million families opting for private schools or homeschooling. The result? School closures across the country, with disproportionate impact on Black and Latino communities. ProPublica reporter Alec MacGillis joins Hari to discuss his latest article for The New Yorker: "The Death of School 10."

With democracy under threat around the world, author Jason Stanley warns that the fundamental danger lies closer to home: in the schools. In his latest book, the American philosopher argues that attacks on education empower authoritarian regimes by reshaping our understanding of the past. Stanley joins the show to discuss.

While VP Kamala Harris has earned voter support on the issue of abortion, former President Donald Trump has been shifting his stance on the matter - while failing to offer specifics on how he would make childcare more affordable. In a new book, Anastasia Berg and Rachel Wiseman are exploring how public perceptions of parenthood are shaped by political rhetoric about reproductive rights.

The U.S. Army's 2024 recruiting target is some 10,000 fewer recruits than last year. And yet the Army is struggling to fill the ranks. Missy Ryan, National Security and Defense Reporter at the Washington Post, finds a range of reasons for this shortfall -- from changing norms within American society to mistrust of its institutions. Ryan joins the show to discuss.

In the U.S. presidential race, the economy continues to top the polls as a voter issue. Brian Deese is advising Kamala Harris in her campaign. He makes the case to Walter Isaacson that the fight against climate change can pave the way for a new era of American leadership.

David Daley believes democracy in the U.S. is under threat. In his new book "Antidemocratic," Daley suggests that far-right actors -- including those within the Supreme Court -- are controlling American elections. The author joins the show to discuss the implications of all this as Americans prepare to head to the polls in November.

This week the DNC was packed with excitement, with speeches by the Obamas, a performance of the National Anthem by The Chicks, and a closing performance by Pink. But each speech reminded the party of the bumpy road to the White House, and the importance of voting in this election. Harrison speaks with us to reflect on the DNC and the challenges the Democratic Party faces between now and November.

While the economy remains the top issue for voters, immigration is not far behind. Jonathan Blitzer, staff writer for The New Yorker, joins the show to discuss Kamala Harris and why border policy remains such a vexing problem for the U.S.

John Giles, Republican mayor of Mesa, Arizona, is pledging his support to Kamala Harris. He even spoke at the Democratic convention. Giles joins Hari Sreenivasan to explain why he felt compelled to switch sides. They discuss immigration as a ballot issue this election, and the necessity for Kamala Harris to reset the messaging on this subject.

Donald Trump and his running mate JD Vance are eyeing Silicon Valley, where some of the wealthiest and most powerful tech titans are lining up behind Trump. Once a stronghold of liberal ideas, this center of American innovation is drifting to the right. Michael Moritz, a senior adviser at Sequoia Heritage, joins the show to explain why he is urging his peers to rethink their support.