** HOLD FOR STORY BY KRISTEN WYATT ** In this photo taken on Saturday, Feb. 9, 2013, a textbook on Marijuana Horticulture sits on a desk during the first class at the THC University in

 

              ** HOLD FOR STORY BY KRISTEN WYATT **  In this photo taken on Saturday, Feb. 9, 2013, a textbook on Marijuana Horticulture sits on a desk during the first class at the THC University in
** HOLD FOR STORY BY KRISTEN WYATT ** In this photo taken on Saturday, Feb. 9, 2013, a textbook on Marijuana Horticulture sits on a desk during the first class at the THC University in Denver. (AP Photo/Ed Andrieski)