Gray wolves stand on the edge of a precipice. Wild wolf populations across the Northern U.S. have rebounded to healthy, sustainable levels with the protection of the Endangered Species Act. Wolf advocates declare it a biological and political victory. But many ranchers call it a crime, demanding the wolves' immediate eradication, and they may just get their wish. Widespread hunting seasons have already opened in Montana, Idaho and Wyoming, with the rest of the country potentially following suit.