It's been nearly one month since new federal gun control measures went into effect … but most gun shop owners say sales are steady. Many thought their business would drop off when the new law went into affect … but most report sales have only dipped slightly, if at all. The new federal law means background checks on all people who want to buy guns … but Wisconsin has had such a law for sales of handguns since 1991. The new law expands the rules to all sorts of... (GunPolicy.org)