Brandon Coats, a quadriplegic medical marijuana patient who was fired by the Dish Network after failing a drug test more than four years ago, right, waits for the proceedings to begin with his mother, Donna Scharfenberg, at the Colorado Supreme Court in Denver on Tuesday, Sept. 30, 2014. Coats' case highlights the clash between state laws that are increasingly accepting of marijuana use and employers' drug-free policies that won't tolerate it. (AP Photo/The Denver Post, Kathryn Scott Osler, Pool)