Recent catastrophic fires driven by hot, dry winds destroyed nearly 6,000 homes and businesses in Northern California. More than 40 people died and many are still missing, and thousands are homeless and/or jobless. Across California and the West, many communities are more vulnerable than we realize, given the buildup of fuels over the past hundred years. Even damp coastal redwood forests have seen major wildfires, as evidenced by the massive fire scars on ancient trees. Today my guests are two