Why do conservatives lie all the time?
Of course David Hogg, age 17, is not yet an adult. The age of maturity in Florida is 18.
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And your contention he wasn't traumatized is bizarre to say the least. He was hold up in a closet while a shooter roamed somewhere in his school. Now while it turned out the shooter was in an adjacent building, he had no way of knowing that while he was hiding; at which point, he reasonably feared for his life. Adding to his trauma was his sister was also on the campus that day. And while she was safe, 4 of her friends died, including 2 of her best friends, who David also knew.
Conservatives are truly fucked in the head. There is simply no other excuse for why they continue to personally attack kids who had to go through the horror of a mass shooting.