WATERLOO, Iowa - Drivers can get more bang for their buck by turning in unwanted firearms during a local gas station's Gas For Guns event Saturday. Jim Lind, who operates Jim Lind Shell on Ridgeway Ave., got the idea after reading about a similar promotion in a trade magazine. "I thought it was a good thing to do for our community, and everybody needs gas," Lind said. Here's how it works: Starting at 10 a.m. residents bring their weapons to the parking lot south of... (GunPolicy.org)