Investing in cannabis companies can threaten federal employees’ security clearances June 10, 2019 AggregatedNews Policy & Legal 0 Comments Elon Musk's clearance was reportedly under review after he smoked marijuana -- but even owning shares in marijuana-related companies can cause problems Tesla (TSLA) and SpaceX founder Elon Musk is reportedly having his security clearance reviewed after smoking marijuana during a… Read More→