Parkland dad: Massacre was avoidable, if district hadn't enabled deranged student

After the deadly Feb. 14, 2018, mass shooting at Marjory Stoneman Douglas HS in Parkland, Fla., national media focused largely on a handful of student activists, leaving it to victims' parents to unravel why the slaughter happened. Andrew Pollack, whose daughter, Meadow, was one of the 17 killed, conducted his own investigation to uncover the...