There were calls to close it in the wake of the 1999 shootings at Columbine High School. There were calls to close it in 2007 following the shooting massacre at Virginia Tech. So far, though, Congress has done nothing to address the so-called gun-show loophole
, which allows unlicensed vendors to sell firearms without performing background checks on the buyers. That kind of lawmaker inaction hasn’t gone unnoticed by the family members of some of the gun-show loophole victims.