When the KNP Complex fire, which has burned about 40 square miles in the Western Sierra, began spreading through Sequoia National Park, firefighters mobilized to preserve the park's groves of ancient sequoia trees. Among the trees imperiled by the still uncontained fire, was General Sherman, the world's largest tree. We’ll hear about firefighters’ extraordinary efforts to save the giants, including wrapping them in aluminum blankets. And we’ll also talk about what a future of climate-intensified fires means for the iconic sequoias.