I Took A Trip To Yellowstone National Park In January Of 2008, And Returned With A Souvenir: A Yellow Pin, Resembling A Campaign Button, With The Message, Green Up West Yellowstone In Bold Green Letters. It Was Given To Me, Not By One Of The Many Representatives Of Environmental Groups I Met, But By Marysue Costello, The Past President Of The West Yellowstone, Montana, Chamber Of Commerce, And An Ardent Opponent Of The Campaign To Ban Snowmobiling In Yellowstone Park. The Pin, Costello Told Me, Was Part Of An Effort Organized By The Chamber To Improve West Yellowstone's Environmental Quality. The Effort Demonstrated, Costello Told Me, That Everyone In West Yellowstone, Including Conservative-- Provided By Publisher.