Students Stage 'Die-in' Outside White House

Students from across the nation are staging walkouts and demonstrations to prod legislators to act on mental health and gun control issues in reaction to the Florida high school shooting that left 17 people dead. NBC’s Kristen Welker reports.

Save videos for later by signing up or logging in

With "My Queue" you can quickly save videos to watch later.

To add an item to your queue just click the sign next to the video.

Once you've added a video visit "My Queue" to start watching!