4:33ABC NewsGun ControlMarch 14, 2018Students brave the cold to rally for gun reform in ChicagoChicago students participated in the national school walkout to advocate for tighter gun laws.Up Next in newsNational School Walkout finds students gathering for tighter gun control lawsMarch 14, 2018Everything to know about the National School Walkout on March 14March 13, 2018Walkout held at schools around the countryMarch 14, 2018