Interstate 25 Northbound near Larkspur is reopen after a massive traffic accident this morning forced its closure for about four hours today...U.S. Forest Service chief Tom Tidwell says forests have had bark beetle epidemics before but never one this large and not one that has spread so fast...and, Interior Secretary Ken Salazar is ordering federal land managers to consider conservation as the primary focus of some 27 million acres of public lands in the West.