WATCH: Teens hold "lie-in" protest for gun reform outside of the White House in the wake of Florida school shooting.

WATCH: Teens hold "lie-in" protest for gun reform outside of the White House in the wake of Florida school shooting. https://t.co/lL3ghU94bF pic.twitter.com/wqIXGJ2GFi

— MSNBC (@MSNBC) February 19, 2018