Simulating a roadside investigation of a potentially intoxicated driver, Colorado State Trooper Sgt. David Blatner, left, pretends to be high and struggling to touch his nose with his eyes closed as he trains troopers Carrie Jackson, center, and Toby Cox in a several week long Drug Recognition Expert class, at the Colorado State Patrol Training Academy, in Golden, Colo., Thursday March 6, 2014. The ongoing training is happening as Colorado struggles to keep accurate statewide records on marijuana-impaired drivers, with state police chiefs saying they need more money to train officers in recognizing stoned drivers. (AP Photo/Brennan Linsley)
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