FILE - In this Feb. 19, 2015, file photo, comedian and marijuana icon Tommy Chong, second from right, talks to visitors as he stands near a life-sized cardboard cut-out of himself, while promoting his line of marijuana products during CannaCon, a marijuana business trade show in Seattle. Country singer Willie Nelson, the children of the late reggae icon Bob Marley and comedian Whoopi Goldberg are just a few of the growing number of celebrities publicly jumping into the marijuana industry and eyeing the California pot market. (AP Photo/Ted S. Warren, File)
