http://www.newsnet5.com/dpp/news/national/US-school-shootings-A-dark-history1355537095398 As people react in anger and sadness to Friday’s shooting spree at an elementary school in Newtown, Conn., police are still looking for answers about what prompted the incident. The shootings – which killed 27 people, including 20 children – are just the latest in a series of violent outbursts at U.S. schools and […]