On May 10, when Bethune-Cookman University—a historically Black university in Daytona Beach, Fla.—holds its spring commencement, the sendoff message to graduates will be delivered by Betsy DeVos, the vacuous secretary of education whose top priority is to dismantle and destroy public education. B-CU President Edison O. Jackson totally rejects the argument that inviting DeVos to speak is an insult to …