Peter Johnson, founder CEO of Colorado Green Tours waits for the doors to open and job applicants to arrive at the CannaSearch job fair in downtown Denver March 13, 2014. O.penVAPE, a Denver ... more 
Peter Johnson, founder CEO of Colorado Green Tours waits for the doors to open and job applicants to arrive at the CannaSearch job fair in downtown Denver March 13, 2014. O.penVAPE, a Denver manufacturer of cannabis filled cartridges and vaporizers sponsored the event which attracted thousands of job applicants hoping for jobs in the cannabis industry. REUTERS/Rick Wilking (UNITED STATES - Tags: BUSINESS EMPLOYMENT) less 
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Reuters | Photo By RICK WILKING / REUTERS
Thu, Mar 13, 2014 5:14 PM EDT