National Parks Traveler: Yellowstone's Grizzly Bears, Visiting Fort Matanzas National Monument

How are Yellowstone National Park's grizzly bears faring? Kerry Gunther, the park's bear expert, joins the Traveler this week to discuss the current state of grizzlies in the park and whether their population is growing or dropping. Erika Zambello takes listeners on a short audio trip to Fort Matanzas National Monument in Florida.