"If now is not the time, it's never going to be the time": Florida shooting survivor on why he's committed to changing gun laws

Last week, 14 of Demitri Hoth's classmates and three of his teachers were killed when a 19-year-old former student opened fire at Marjory Stoneman Douglas High School in Parkland, Fla. Since then, Hoth and his classmates have been vocal in in calling for immediate reform of gun control, as well as better access to mental health treatment in schools. Watch as he describes what changes he and his fellow survivors want to see and why they aren't willing to wait for adults to make the change for them.