Invest in Cannabis?

Should people look into owning their own medical-marijuana dispensaries in Missouri? What about cannabis plays in the stock market? Plus, why did the KC Health Department pour bleach on homeless people's food? (Cannabis story: https://fox2now.com/2018/11/13/questions-raised-on-missouris-implementation-of-medical-marijuana/) ("Bleach" story: http://www.fox5ny.com/news/kansas-city-health-department-pours-bleach-on-food-meant-for-homeless-people#/)