Tesla CEO Musk's security clearance under review over pot use: Bloomberg

Tesla Inc and SpaceX Chief Executive Officer Elon Musk's security clearance is being reviewed by the Pentagon after the billionaire smoked marijuana on a California comedian's podcast in September, Bloomberg reported on Thursday, citing a U.S. official.Musk has security clearance as SpaceX provides satellite launch services to the U.S. government.Musk provoked a Twitter storm by smoking marijuana on a live web show with comedian Joe Rogan in September.