Labor historian, activist and writer Toni Gilpin, author of the new book “The Long Deep Grudge: A Story of Big Capital, Radical Labor, and Class War in the American Heartland.” This rich history details the bitter, deep-rooted conflict between industrial behemoth International Harvester and the uniquely radical Farm Equipment Workers union. The Long Deep Grudge makes clear that class warfare has been, and remains, integral to the American experience, providing up-close-and-personal and long-view perspectives from both sides of the battle lines.