2.7M views · 18K reactions | "Fight for your lives before it's someone else's job." WATCH: Emma Gonzalez observes several minutes of silence in a 6-minute, 20-second speech that covered the same time it took the gunman to kill 17 people in her high school. nbcnews.to/2pDcpg9 | NBC News | Facebook

363K views · 15K reactions | "If you listen real close, you can hear the people in power shaking," says David Hogg, a survivor of the Parkland shooting, at the March for Our Lives in Washington. Live updates: https://cnn.it/2DQv3X9 | Anderson Cooper 360 | Facebook