Two students and two teachers were killed when a 14-year-old student opened fire in Apalachee High School in Georgia on Tuesday. They were identified as Richard Aspinwall, Christina Irimie, Mason Schermerhorn and Christian Angulo. Jericka Duncan has more on who they were.
Chloe Kim's shoulder injury threatens three-peat gold medal hopes at Milan-Cortina Winter Olympics after U.S. snowboarder dislocated shoulder in training fall....