Now consider this: the country with the second-highest rate of gun ownership is Yemen. And it has an average of 55 guns per 100 individuals.
The Second Amendment of the U.S. Constitution is commonly quoted as "the right to bear arms," though its meaning is frequently debated. The recent massacre in the state of Colorado has put new attention on gun control laws.
But skeptics doubt anything will change... and point to past tragedies as proof. The Columbine school shooting of 1999 happened in Littleton, Colorado. That's just 18 miles (30 km) from Aurora.