MILWAUKEE — From 2007 to 2009, six police officers from this industrial city were shot with guns that share a troubling history: All were purchased at a single gun shop just across the city line. Police have long known that Badger Guns, Badger Outdoors and related businesses at the same location in West Milwaukee have ranked in the top 10 nationally among shops that sell guns that wind up being used in a crime. Now four of the six officers wounded in shootings are... (GunPolicy.org)