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.
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.
