Destructive fires moving at exponential rates in California

Fire crews in Northern California spent another long day laboring to contain the sprawling Carr fire, which has killed at least six people and reduced more than 720 homes and other buildings to ashes in the Redding area. A total of 17 large fires are burning across the state. John Yang reports, then Judy Woodruff gets an update from Ken Pimlott, director of Cal Fire.