"Horizon: An American Saga" director and star Kevin Costner tells "CBS Mornings" co-anchor Gayle King about his decision to quit "Yellowstone" after five seasons of playing the iconic raspy-voiced Montana rancher John Dutton.
Kevin Costner rattled "Yellowstone" fans last week when he confirmed that he's leaving Montana rancher John Dutton behind after five seasons. Costner recently sat down with "CBS Mornings" co-anchor G… [+3565 chars]