You are using an older browser version. Please use a supported version for the best MSN experience.

Wolves make a return to Yellowstone National Park

Biologists say the return of wolves to Yellowstone National Park has brought a balance to the natural world. But some say that achievement is threatening their own way of life. Michelle Miller looks at how new laws could affect the effort to restore these animals to the wild.
image beaconimage beaconimage beacon