Reuters: Conservation groups asked a federal judge on Monday to block an Idaho hunting competition targeting wolves and coyotes that is supported by many ranchers and sportsmen but that wildlife advocates have opposed as a “killing contest.” The so-called coyote and wolf derby is slated to take place this coming weekend near the mountain town of Salmon, mostly on national forest lands surrounding the eastern Idaho community. Organizers are offering cash prizes and trophies to two-person teams competing…