Carolinas brace for ‘monster’ Hurricane Florence

As of Tuesday evening, Hurricane Florence is 500 miles wide, with winds at 140 miles an hour and forecasts of 2.5 feet of rain. Power losses and flooding will be felt over several states, and the recovery is predicted to be long. William Brangham gets an update on preparation efforts from PJ Tobia in Wilmington, North Carolina, and learns more from Ken Graham of the National Hurricane Center.