The Untold Story With Martha Maccallum - John Tesh: Relentless

Martha talks with journalist John Tesh about his book, overcoming cancer, and handling stress and worry during difficult times., Martha is joined by John Tesh, journalist and former anchor of Entertainment Tonight. Martha and John discuss his new book, 'Relentless: Unleashing a Life of Purpose, Grit, and Faith,' the challenge to overcome his cancer diagnosis and how to handle worry and stress during trying times.