Once again, the Pacific Research and American Enterprise Institutes have co-published their annual Index of Leading Environmental Indicators.  And once again, according to editor Steven Hayward, things continue to improve when it comes to our nation’s environment.  Comments Hayward: “While environmentalists scream about the Bush Administration supposedly gutting the Clean Air Act, they ignore EPA data showing coal-fired power plant emissions continue to go down, and most other areas of the environment, from water quality, forest land, toxic chemicals, wildlife preservation, show similar improvement.  I think environmentalists have never absorbed the lesson of the fable of the little boy who cried wolf too often.  In fact, they can’t even cry wolf much longer as the Northern grey wolf is about to be taken off the Endangered Species List.