Government parties okay with culling wolves, but unclear about conditions / Wolves make a rapid recovery in Europe, increasing by 58% in a decade / Reintroducing wolves to Highlands could help native woodlands, says study / Restoring predators, restoring ecosystems: Yellowstone wolves and other carnivores drive strong trophic cascade / Colorado releases 15 wolves from Canada in second round of historic reintroduction / Colorado's historic wolf reintroduction faces barrage of challenges a year after first paws hit the ground / 'Queen of the Wolves'--one of Yellowstone's oldest--dies after rival pack fight / Wolves reintroduced in Colorado blamed for repeated attacks on livestock / One of Colorado's reintroduced wolves wandered into Rocky Mountain National Park / Wolves' return has had only small impact on deer populations in Washington state, study shows