Brett Chandler's Blog.  Jim Prentice intimates here that the Mackenzie Valley Gasline is a national environmental priority.     *     Scott Heyworth alerts us of a New EIA Arctic Report examining the discovered and undiscovered Arctic oil and natural gas resource base with respect to their location and concentration.  The paper also discusses the cost and impediments to developing Arctic oil and natural gas resources, including those issues associated with environmental habitats and political boundaries.       *        The Alaska Standard, by Alex Gimarc.  "Warning to the readership; [...]