Bing Crosby biographer Gary Giddins joins host Nate Wilcox to discuss Bing Crosby’s incredible run during the World War 2 era.The 1940s were a period when Crosby set still-unbroken records for single sales, won an Oscar for his acting, sang for a radio audience in the tens of millions and led Hollywood’s war effort.The conversation focuses on Gary's second book on Crosby, "Bing Crosby: Swinging on a Star: The War Years, 1940-1946."Let It Roll is proud to be part of Pantheon Podcasts.