WARRENTON, Virginia - Live fire crackles from the range at Clark Brothers, a gun shop in Virginia. Inside, the most striking things are the enormous gun safes. Some of these metal boxes, which cost over $1,000, can withstand hours of exposure to wildfires and being dropped from 200 feet. They are the result of a shift in gun ownership. Surveys suggest that the proportion of American households that own guns has declined from about 50% in the early 1980s to about 35%... (GunPolicy.org)