Sandy Hook. Columbine. Virginia Tech. These are words that should be known as havens for education, but instead, they bring memories of fear, dismay and death.A 19-year-old killed 17 people and wounded 15 more at Marjory Stoneman Douglas High School in Parkland, Florida, on Wednesday, according to CNN.People were horrified, but honestly, not shocked. The idea of school shootings has lost the shock factor.