On 12/16/09, University of South Dakota Law Professor and author Frank Pommersheim joins host Paul Guggenheimer to discuss the bigger picture of crime on the reservation and the need for funding and beefing up tribal courts. Then Paul interviews South Dakota State University Chemistry Professor Jihong Cole-Dai who has led expeditions to Antarctica and Greenland to uncover new evidence of a volcanic eruption that may have contributed to a worldwide dip in temperatures in the early 1800s.