Morning Shift: Investigation seeks source of holes at Indiana Dunes

Morning Shift: Investigation seeks source of holes at Indiana Dunes
Morning Shift: Investigation seeks source of holes at Indiana Dunes

Morning Shift: Investigation seeks source of holes at Indiana Dunes

The EPA and scientists are trying to discover the source of holes at the Indiana Dunes. What is causing them and what's the solution? Also, Lake Bell, star of "In a World...", talks about the voice-over community, the topic of her new film. Photo: Flickr/pepplerchristine