Washington state Patrol Chief John Batiste speaks to the media about public awareness and safety efforts the state is making in advance of the start of retail sales of recreational marijuana, on ... more 
Washington state Patrol Chief John Batiste speaks to the media about public awareness and safety efforts the state is making in advance of the start of retail sales of recreational marijuana, on Tuesday, June 24, 2014 in Olympia, Wash. Batiste says troopers are trained to recognize stoned drivers. (AP Photo/Rachel La Corte) less 
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Associated Press | Photo By Rachel La Corte
Tue, Jun 24, 2014 8:18 PM EDT