An Orange County supervisor is speaking out against a proposed bill that would prevent gun sales at the Costa Mesa fairgrounds. The senate bill—being pushed by Sen. Dave Min (D-Irvine)—would ban firearm and ammunition sales on public property throughout California, effectively ending gun shows. Orange County Supervisor Don Wagner called the proposed legislature a “bad idea,” saying it would not help reduce gun-related crime. “There is to my mind very little legitimate science or study behind the idea that gun shows are in particular a source of some of the tragedies that we have seen around the country in the last few years,” Wagner told The Epoch Times Feb. 11. “I think it is just sort of a mindless ‘guns are bad and let’s ban them when we can’ approach.” The Orange County Fair and Event Center in Costa Mesa has hosted the annual Crossroads of the West Gun Show for the past 25 years. This bill would halt the …