The Nevada Wildlife Commission on Friday rejected a petition to ban the use of dogs for hunting bears.Commissioners, meeting in Las Vegas, voted against accepting a petition filed by six conservation and animal rights organizations including NoBearHuntNV, Nevada Political Action for Animals, Humane Society of the United States, ASPCA, Nevada Humane Society and the Bear League.A statewide survey conducted in January 2011 by Mason-Dixon Polling and Research, Inc. showed that only 29 percent of Nevadans supported the practice of using dogs to hunt bears, while 57 percent disapproved. "The commission's decision not to hear legitimate arguments on an issue opposed …