Today on the program Sheri Quinn talks to wildlife biologist William ripple about wolves in the Yellowstone ecology. His research shows the re-introduction of wolves there has improved the habitat and it has also revived a species of aspen tree, and some birds, fish, and insects.
At 9:30 Science Questions presents current wolf policies across the west and the new book called "wolfer," a memoir about one man's experience trapping and hunting wolves for the federal government and how it changed his life's direction.