At least two people were killed and six others were injured in a Monday morning shooting at a Christian school in Wisconsin by a teenage girl who opened fire on campus, police said. Madison Police Chief Shon Barnes said one student and one teacher were shot and killed at Abundant Life Christian School, and also said the gun-wielding teenage student was found dead after she appeared to take her own life. Chief Barnes identified the shooter Monday evening as 15-year-old Natalie Rupnow...