How can we decrease the number of gun fatalities in the US?

Volunteers Annabelle Andon, left, and Joanna Polk, remove items left at the memorials for the Marjory Stoneman Douglas High School shooting victims, Thursday, March 15, 2018, at Pine Trails Park in Parkland, Fla. ( via AP)
Joe Cavaretta/South Florida Sun-Sentinel/Associated Press

Read the special report from Globe Opinion on how to decrease gun-related deaths.

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