CBS LAS VEGAS-Today a gunman opened fire at a Newtown, Connecticut killing at least 27 people including himself. CBS News reports that the gunman, now identified as 20-year-old Adam Lanza was the son of Nancy Lanza, a female teacher at the school. She was found dead at her Newtown home. Dr. Michelle Carro, Professor of Clinical Psychology at UNLV, talks about how a tragic event like the one that took place today affects kids and what parents should do to help. Callers react to the tragic event that took place in Newtown, Connecticut.