The Parkland Shooting: A Rallying Cry for Students

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Tyra Hemans, 19, left, and Logan Locke, 17, right, students who survived the shooting at Stoneman Douglas High School, wait to board buses in Parkland, Fla., Tuesday, Feb. 20, 2018.
( Gerald Herbert / Associated Press )
Produced by Oliver Lazarus
Hosted by Todd Zwillich
PRI WNYC