CNN’s Jake Tapper will moderate a town hall event Wednesday with students of the Florida high school devastated – and angered – by this week’s deadly shooting. Stand Up: The Students of Stoneman Douglas Demand Action will air live nationwide on Wednesday at 9 pm ET. “The school shooting in Florida this week has sparked a renewed call for lawmakers to take action, and some of the loudest voices demanding change are not even old enough to vote,” CNN said in announcing the…