OKLAHOMA CITY – Marijuana legalization advocates praised the U.S. Supreme Court’s refusal to consider a lawsuit initiated by Oklahoma and Nebraska challenging Colorado’s recreational and medical marijuana laws.

Like countless commuters in Denver's urban core, Marty Otañez can't help but smell the pot smoke as he rides to work along the Cherry Creek bike path downtown. "A couple years ago it was only under the bridge at Colfax and Speer," Otañez said of the clouds emanating from public tokers. "Now it's pretty much every 100 meters."