This is a good read regarding Idaho's predator control views. Go to the left hand column (2012) and click on the title "July - Managing Idaho's Predators: The Goal is Reduction Not Elimination". It is a downloadable or viewable PDF.
http://fishandgame.idaho.gov/public/media/?getPage=246
http://fishandgame.idaho.gov/public/media/?getPage=246