In this April 20, 2010, file photo, a large marijuana joint is lit at Golden Gate Park in San Francisco. California, on Monday, Jan. 1, 2018, becomes the nation's largest state to offer legal recreational marijuana sales. In general, the state will treat cannabis like alcohol, allowing people 21 and older to possess up to an ounce of pot and grow six marijuana plants at home. Voters approved legalization in 2016. (AP Photo/Marcio Jose Sanchez) **FILE**
Featured Photo Galleries
