Their barbers are also helping to trim their Blood Pressure. I have a head doctor degree. Reporter youre the head roctor here. This is the cbs weekend news. Quijano this is our western good evening. Im Elaine Quijano. Young americans took to the streets today in numbers like we have not seen since the vietnam war. The march for our lives was a response to the massacre last honth at Marjory Stoneman Douglas High School in parkland, florida. An estimated crowd of half a million rallied in washington, d. C. Eun control rallies were also planned in 800 cities around the world. Young people chanted, never again. Eeey want to feel safe in their schools and communities. Deyre demanding change. Among americans who want stricter gun laws, a new cbs poll finds 58 believe recent marches and activism are a turning point. For more on todays march, heres jeff pegues. Reporter the survivors of y e Marjory Stoneman Douglas High School massacre have turned their grief into action, and now, for 39 days,