NPR's Scott Simon asks Ali Vaez of the International Crisis Group how Iran may interpret President Trump's letter delivered to Iranian officials this week.

NPR's Scott Simon asks Sen. Chuck Schumer, D-N.Y., about his new book "Antisemitism in America: A Warning." ...

NPR's Scott Simon speaks with AP reporter Graham Dunbar about a scandal involving Norwegian ski jumpers who illegally manipulated their suits.

NPR's Scott Simon asks Dr. Carlos del Rio of Emory University about the cases of measles in the country and what Americans should know about the disease.

NPR's Scott Simon speaks with Ukrainian refugee Nataliia "Natalie" Matiisiv about the country she left and the country she now calls home.

NPR's Scott Simon asks ESPN's Michele Steele about who will be in and who will be out of the men's and women's college basketball tourney.

NPR's Scott Simon talks with John Himmelman about his new collection of illustrated poems for children, "The Boy Who Lived in a Shell: Snippets for Wandering Minds." ...

The celebrated conductor brought Her Story, a potent piece by Julia Wolfe, to Kennedy Center audiences recently.

NPR's Scott Simon talks to Alice Austen about her novel C." Set in Brussels during WWII, it tracks the residents of one building whose lives are upended by the Nazi occupation.

NPR's Scott Simon talks to Phillips O'Brien of St. Andrews University about the war in Ukraine, who has the upper hand, and what might that mean as the U.S. pressures Ukraine for a deal.

Scientists have made progress in understanding Long COVID over the last five years. Patient advocates hope that research will continue under the Trump administration.