Today on Boston Public Radio:

Juliette Kayyem tells listeners everything they need to know on the escalating situation at the Russia-Ukraine border. Kayyem is former assistant secretary for homeland security under President Barack Obama, and the faculty chair of the homeland-security program at Harvard’s Kennedy School of Government. Her forthcoming book is: “The Devil Never Sleeps: Learning to Live in an Age of Disasters.”

Then, we ask listeners for their opinions on U.S. foreign policy surrounding Russia and Ukraine.

Art Caplan discuss growing research on long-lasting effects of COVID, and some patients asking doctors to refrain from weighing them at doctor's visits. Caplan is the Drs. William F. and Virginia Connolly Mitty Professor and founding head of the Division of Medical Ethics at NYU School of Medicine in New York City.

Brian McGrory shares the latest work from the Boston Globe’s Spotlight team, including a story on Brigham Health helping create a Chinese hospital for elites, and the Globe’s Fresh Start Initiative, which aims to take a second look at stories that may have had an unfair and lasting negative impact on people’s lives. McGrory is the editor-in-chief of the Boston Globe.

Matt McPherson previews the new Cafe Iterum, and explains his reasoning behind his zero-waste focus and no-tipping policy. McPherson is the owner and chef at Cafe Iterum, a new restaurant in East Boston with a no tipping policy and a focus on sustainability. 

Then, we take calls from listeners on their opinions on restaurant no-tipping policies.

Sy Montgomery talks about a British zoo using Marvin Gaye’s music to get monkeys in the mood, and a pod of orcas that attacked the biggest animal on the planet, the blue whale. Montgomery is a journalist, naturalist and a Boston Public Radio contributor. Her latest book is “The Hummingbirds’ Gift: Wonder, Beauty, and Renewal on Wings.”