Our chief economics correspondent, Ben Casselman, breaks down how gasoline prices have responded to the oil crisis in the Persian Gulf, and what is in store for inflation if the price of oil remains above $100 per barrel. #gas #economy #Trump #Iran #MiddleEast #PersianGulf Video by Ben Casselman, Sutton Raphael, James Surdam, Joey Sendaydiego, Estelle Caswell and June Kim