FILE - In this Aug. 15, 2014 file photo, set to the symbolic 4:20 time, weed patterns adorn clocks up for sale on the first of three days of Hempfest, Seattle's annual gathering to advocate the decriminalization of marijuana at Myrtle Edwards Park on the waterfront in Seattle. Thursday, April 20, 2017, marks marijuana cultures high holiday, 4/20, when college students gather - at 4:20 p.m. - in clouds of smoke on campus quads and pot shops in legal weed states thank their customers with discounts. (Jordan Stead/seattlepi.com via AP, File)
