Aspen Times: Approaching the Gore Range, airborne observers can see the signs of the spreading effect of the mountain pine beetle infestation, which inhibits the tree’s ability to nourish itself, causing the needles to turn red before they fall off. John Colson The Aspen Times Editor’s note: This is the second of a two-part series about an Aspen organization that plans to focus on the growing epidemic of pine beetles that are laying waste to Colorado’s forests. The first part of this series was …