Gun Debate Shines National Spotlight on Colorado from GOVERNING: State government news on politics, management & financ Hardened by mass shootings at Columbine High School in 1999 and at an Aurora movie theater in July, Colorado teeters on the cusp of passing some of the strictest gun laws in the Mountain West. www.governing.com/news/state/Gun-Debate-Shines-National-Spotlight-on-Colorado.html