By Cookie Murphy/Pettee This past August, as the bright green leaves on the aspen trees in my front yard started to fade, I knew, as all of us in Colorado knew, that fall was about to arrive. The subtle beginning of this change awakened in me the anticipation of my upcoming sixth season of color change. Anyone who attempts to write about fall color hopes to uniquely and perfectly describe the sights and feelings ushered in by this particular change of seasons. Some photographers capture this phenomenon visually, from close-ups of individual trees and their leaves to panoramic spreads of ...