Listen: Over 20 dead in U.S. polar vortex, frostbite amputations feared
"A deadly polar vortex. A freeze not felt there in a generation or more the deaths of at least eleven people blamed on the cold CBS's DeMarco Morgan a student at the university of Iowa was found dead outside of a university building where temperatures dipped to negative twenty two degrees. Officials say weather was a factor below freezing temperatures extending from the Dakotas to Cape Cod this weekend. Many of those places expected to warm up to the forties or fifties. What could be an unprecedented seventy degree shift in"