Students from Douglas Freeman High School walk out of school to protest gun violence in Richmond, Va., Wednesday, March 14, 2018. Young people in the U.S. walked out of school to demand action on gun violence Wednesday in what activists hoped would be the biggest demonstration of student activism yet in response to last month’s massacre in Florida. (AP Photo/Steve Helber)
Students from Douglas Freeman High School walk out of school to protest gun violence in Richmond, Va., Wednesday, March 14, 2018. Young people in the U.S. walked out of school to demand action on gun violence Wednesday in what activists hoped would be the biggest demonstration of student activism yet in response to last month’s massacre in Florida. (AP Photo/Steve Helber)