Sharyn Alfonsi

Rep. Marjorie Taylor Greene (R-Ga.); the scale and dangers of what's unfolding within the realm of AI chatbots; Switzerland's Vallée de Joux, where top brands have been refining the art of mechanical watchmaking for centuries.

Polymarket founder and CEO Shayne Coplan; high school students use gene-editing tool CRISPR to develop a promising new way to detect and treat Lyme disease; Barcelona's 18-year-old soccer phenom Lamine Yamal.

President Donald J. Trump; a behind-the-scenes look at Guinness World Records.

Germany races to rearm as the war in Ukraine shakes its sense of security; the challenges of paying for expensive life-saving treatments; how Indiana University's Hoosiers have transformed into the number one ranked team in the country.

A report inside the war-torn country Ukraine; a look at the fight to preserve Montanana; photographer Lou Bopp.

Phil Gunson, a senior analyst for the International Crisis Group; James Story, a former top U.S. diplomat to Venezuela; Sen. Rick Scott (R-Fla.); Dr. Peter Attia, a star in the emerging field of longevity; mentalist Oz Pearlman.