Tropical Storm Mario to funnel rain into Southern California, also why are so many hats turning up in Yellowstone?

Tropical Storm Mario could send tropical moisture into Southern California and the Southwest this week, raising the risk for showers, storms and flash flooding. Also, from pizza boxes to stuffed animals, geologists have found unusual trash across Yellowstone National Park this year after millions visited during the summer season. Learn more about your ad choices. Visit podcastchoices.com/adchoices