if everybody thought more like elizabeth warren, this world would be a little better. >> thank you so much. very impressive today. thank you. best of luck. >> thank you. >> ana, ending the day, speaking with student organizers, a lot of hope, a lot of optimism going forward. >> alex mar quart in boston. let's listen to those in l.a. this is laura dern. >> i'm in seventh grade. there have been 18 school shootings in the united states since the beginning of 2018. school shootings. school shootings. those two words should have nothing in common. did you know that they're already stationary and roving metal detectors in a majority of public schools in los angeles. of the 18 tragedies, more than 80% of the weapons used were obtained legally. so why does congress think fixing technology in schools will help? should teachers and students be prepared for more gun violence. i don't want to go to school