Talk to your doctor and say yess to linzess. Learn how Abbvie And Ironwood could help you save. Today marks 25 years since the massacre at Columbine High School in littleton, colorado. It wasnt the first Mass Shooting at a school and far from the last, but it did send Shock Waves across the nation after unfolding live on television and across the internet. At a vigil last night family, friends, and Gun Safety advocates gathered to remember the victims of that awful day. One teacher and 12 students were killed. One of them was 15yearold daniel mauser