Students at the Parkland, Florida High School were so confused they thought the pop, pop, pop sound came from an active shooter drill. A father reports that a student told him “ they had a fire drill and were supposed to have an active shooter drill.” A new aspect MSNBC is reporting is new to me. Senator Bill Nelson, Democrat, from Florida said the shooter, Nikolas Cruz, wore a gas mask and used smoke grenades “so the kids would come out in the hallways and thus, he had the opportunity with crowded hallways to start picking off people.” Student Rebecca...