Law enforcement officers block off the entrance to Marjory Stoneman Douglas High School in Parkland, Fla., on Thursday. Nikolas Cruz has been charged with 17 counts of premeditated murder after Wednesday's attack on the school. Photo: Wilfredo Lee/AP

Democrat Jeff Greene’s campaign bus is pulling up to Jacksonville’s Northwestern Middle School. The Palm Beach billionaire has come to this low-income area to give backpacks to kids.

“We give people backpacks, that’s what the governor does,” says Greene.

He’s also giving out lime-green sunglasses with his name on the side.

“Do we like school?” Greene asks the kids.

“Yes,” they respond.

“I’m going to make it even better and better for you kids, OK”

Greene’s in a crowded primary, asking for parents’ votes as the first new school year starts since February’s Parkland shooting.

“We’re going to have to lock down our schools, which means single-entry. You can’t have these open campuses like where I grew up as a kid,” says Greene.

On his bus wrapped with the phrase ‘Trump’s worst nightmare,’ Greene blames lobbying by the National Rifle Association for too many guns including assault weapons’ being on the streets.

“you have to have a real security person who’s a trained police officer type person at the front door and that’s not going to be some second-class guardian who tried to figure it out,” says Greene.

“I’m not saying there aren’t good guardians, that there aren’t some that will know what they’re doing.”

He’s referring

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