Editorial Marjory Stoneman Douglas High School, where 17 students were killed in a mass shooting, in Parkland, Fla. on Feb. 28, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialStudents and parents embrace after a shooting at Marjory Stoneman Douglas High School in Parkland, Fla., Feb. 14, 2018. (Saul Martinez/The New York Times)
EditorialA vigil in Parkland, Fla., to honor the victims of the massacre at Marjory Stoneman Douglas High School, where a mass shooting left 17 dead and prompted the state to enact a red flag law, Feb. 15, 2018. (Saul Martinez/The New York Times)