Yahoo NewsFirst lady Melania Trump's plane forced to return to Joint Base AndrewsYahoo NewsUnfortunately, an error occurred. To try again, refresh the browser. SS-400-710. Enable Location. The first lady's trip to Philadelphia has been delayed after her plane had to turn around due to a mechanical issue that caused smoke and a burning smell.Here are the most popular marijuana stocks as Canada becomes the largest country to legalize potCNBCOne of Canada's largest marijuana growers is going public on the New York Stock ExchangeBusiness InsiderIs Tilray a Better Marijuana Stock to Buy Than Aurora Cannabis?Motley FoolVanity Fair -Nature.comall 642 news articles »