On Point with Meghna Chakrabarti

Christina Koch, NASA astronaut and electrical engineer who spent a record 328 days aboard the ISS, talks about life in microgravity, intense spacewalk focus, and the surreal experience of docking and reentry. She describes daily routines, exercise regimens, teamwork skills, and how long missions reshape perspective and reintegration back on Earth.

Marshall Johnson, Chief Conservation Officer at the National Audubon Society, is a conservation leader focused on protecting birds and habitats across the Americas. He discusses the scale of North America’s bird declines and prairie and agricultural drivers. He talks about how cats and land‑use change harm birds. He outlines farmer partnerships, policy levers, and citizen actions to help reverse losses.

Nikhil Pal Singh, NYU professor of social and cultural analysis and history, offers a historical and political reading of U.S. militarism and nativist policy. He discusses the idea of a 'homeland empire.' He traces links between domestic policing, mass deportations, expansionist aims in North America, and close ties with Israeli strategy.

Rebecca Roberts, Army and Air National Guard veteran turned organizer, Jeremy Harrell, Army veteran and Veterans Club founder, and Elliot Ackerman, Marine veteran and author, discuss U.S. military action in Iran. They debate unclear objectives, civilian and troop costs, the political use of force, preventing nuclear threats, and whether strikes are a limited campaign or a wider war.

Alvaro Corral, a Texas political scientist focused on Latino voting, Jessica Taylor, a national race analyst at the Cook Political Report, and Joshua Blank, research director for the Texas Politics Project, dissect Texas’s shifting electorate. They explore James Talarico’s appeal, GOP intraparty clashes between Cornyn and Paxton, South Texas dynamics, immigration’s local impact, fundraising and how national trends shape statewide competitiveness.

Gary Marcus, cognitive scientist and AI entrepreneur, warns about concentrated power, hallucinations, and overhyped claims. He discusses threats from disinformation to bioweapons, how AI erodes critical thinking in education, and why we need independent regulation. He weighs realistic medical uses, the limits of current models, and practical steps citizens can take.

Jack Beatty, longtime On Point analyst who links history, literature, and politics, reflects on recent national security strains. He discusses suspected coded broadcasts, a spike in violent incidents, cuts to counterterrorism resources, emerging drone threats, and parallels to pre-9/11 vulnerabilities. He also explores shifts in agency priorities and what civic action might do.

Mario Guevara, Salvadoran-born independent Spanish-language reporter and founder of MG News, who covers law enforcement and immigration. He talks about being arrested while clearly identifying as press. He explains ICE detainers, long-distance transfers, surprising traffic charges, and how detention changed his view of enforcement agencies.

Karosh Ziabari, New York–based journalist and media researcher, speaks on dissent and how recent military actions affect Iranians at home and abroad. Abbas Amanat, historian and author of Iran: A Modern History, outlines Iran’s revolutionary turning points and long arc. They discuss 1953, 1979, reform attempts, nuclear diplomacy, and how external strikes shape civil society.

Bonnie Tsui, author and journalist who explores physical culture and human performance. She talks about tiny muscles that give us goosebumps, muscles as endocrine organs that talk to our brain and metabolism, differences in muscle types and fibers, the power of strength training at any age, and the cultural shift around women’s strength inspired by pioneers like Jan Todd.