U.S. government sued over plan to kill cougars and bears in Colorado

Wildlife conservation groups sued the U.S. government on Wednesday seeking to halt a plan to trap and kill as many as 120 mountain lions and black bears in Colorado in a bid to stem declines in populations of mule deer favored by hunters.The lawsuit, filed in U.S. District Court in Denver, accuses the Wildlife Services agency, a branch of the U.S. Department of Agriculture, of violating federal law by failing to fully assess potential impacts of the predator-control plan on other native wildlife