school shootings in american history. red flag laws: the renewed focus on mental health and gun safety. could new laws prevent future mass shootings? americans hit the road. with tens of millions planning to travel this holiday weekend, tonight what you can expect at the airport and the gas station. plus, could severe weather create a travel nightmare? two more months expect more delays before shelves are fully stocked with baby formula, a warning to parents from the head of the f.d.a. deadly home explosion outside philadelphia. what caused the blast that killed at least five people? and on the road with a memorial day tradition heard from coast to coast. this is the cbs evening news with norah o donnell, reporting from the nation s capital. brennan: good evening, and thank you all for joining us on this friday night. i m margaret brennan in for norah. there is growing outraging tonight after texas police admit to multiple failures in their response to the scho
brennan: lilia, thank its anl convention in nearby houston. it drew protesters and a former president. cbs robert costa is there. reporter: a charged scene outside the n.r.a. convention with antigun protesters clashing with supporters of gun rights, and tense exchanges with police. n.r.a. kills kids! reporter: the confrontations and the celebration of firearms just under 300 miles from the shooting in uvalde. the n.r.a. pressed ahead with the gathering, despite calls for it to be postponed. outside, children from texas schools honored those killed this week and said they just want to be safe. i want to go to school and learn and be in a safe community. reporter: but inside, a different world and perspective from n.r.a. members. it wasn t guns that did it. it was a person. we have a problem where