Associated Press: Southern California’s huge wildfire has turned nearly a quarter of the 1,000-square-mile Angeles National Forest into a moonscape of barren mountains looming above thousands of homes that now face the threat of flash floods and mudslides. Experts are already evaluating the extent of risk to lives and property as well the impacts of the wildfire on a forest ecosystem that in some areas may not have burned in at least a century. Sprawled across the San Gabriel Mountains, the …