Musician Mark Barden on 'Sandy Hook Promise'
Musician Mark Barden's life changed in an instant when his 7-year-old son, Daniel, fell victim to a mass shooting at Sandy Hook Elementary in 2012. Mark channeled his grief into co-founding "Sandy Hook Promise," an organization committed to preventing other families from enduring the pain of losing their children to gun violence.
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Musician Mark Barden on 'Sandy Hook Promise'
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