The Old and Grand Prix fires burned 140,000 acres in San Bernardino County, mostly hillsides covered with shrubs. Much of the high-elevation forest of conifers didn't burn because of a change in weather and firefighting efforts. But the US Forest Service says once the snow melts, the fire threat at the top of the mountain will be as great as ever. And the interaction of human-caused and natural changes have created a big challenge for the Forest Service. In the second of two reports, KPCC's Ilsa Setziol has the story.
