Sacramento BeeColorado Vows To Defend Pot Law Against States' ChallengeCBS LocalDENVER (AP) — Colorado's top law enforcement official promises to vigorously defend the state's historic law legalizing marijuana after Nebraska and Oklahoma asked the U.S. Supreme Court to declare it unconstitutional, saying the drug is freely flowing into ...The States Sparring Over Legal WeedThe AtlanticNebraska and Oklahoma Drag Colorado to Court Over Marijuana LegalizationVICE NewsNebraska, Oklahoma sue over Colorado pot lawNew York Daily Newsall 49 news articles »