Making schools safer: Harsh consequences, or second chances?

Students wear clear backpacks outside Marjory Stoneman Douglas High School in Parkland, Fla., on Monday. The bags are one of a number of security measures the school district has enacted as a result of the Feb. 14 shooting at the school that killed 17.
Students wear clear backpacks outside Marjory Stoneman Douglas High School in Parkland, Fla., on Monday. The bags are one of a number of security measures the school district has enacted as a result of the Feb. 14 shooting at the school that killed 17.