Only on the "CBS This Morning" podcast, former figure skating champion and Olympic gold medalist Scott Hamilton joins CBS News' Reena Ninan to discuss his new book "Finish First: Winning Changes Everything." Winner of the 1984 gold medal for figure skating, Hamilton discusses how he persisted through stage 4 testicular cancer and three benign brain tumors. He provides advice on getting up after falling down, explains the role faith played in his life and the state of U.S. figure skating.