Squawk on the Street: Opening Bell 09/18/2019

Carl Quintanilla, Jim Cramer and David Faber discuss new U.S. sanctions on Iran and the impact on energy sector. Plus, with trade tensions and policy uncertainty weighing on FedEx, why Jim thinks CEO Fred Smith has one of the hardest jobs in the world. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.