On this edition of River to River, host Ben Kieffer sits down with University of Iowa archeologist and religious scholar, Robert Cargill. They discuss Cargill’s trip to Israel with UI students for an excavation of Tel Azekah, as well as his latest project - a six-part documentary called “Bible Secrets Revealed.” It begins airing this week on the History Channel, starting Wednesday November 13 at 9 p.m.