Greater Yellowstone Ecosystem

Mountain Goats Gaining Foothold in Yellowstone Area [AUDIO]
Mountain Goats Gaining Foothold in Yellowstone Area [AUDIO]
Mountain Goats Gaining Foothold in Yellowstone Area [AUDIO]
Biologists say non-native mountain goats have gained a foothold in parts of the Greater Yellowstone Ecosystem and could threaten native bighorn sheep. Doug Randall reports.  U.S. Food and Drug Administration officials say they plan to investigate whether inhalable caffeine, is safe for consumers and if its manufacturer was right to brand it as a dietary supplement. Click past the jump to listen to