Keith Flaugh is a retired IBM executive living in Naples, Fla., and a man with a mission. He describes it as "getting the school boards to recognize ... the garbage that's in our textbooks." Flaugh helped found Florida Citizens' Alliance, a conservative group that fought unsuccessfully to stop Florida from signing on to Common Core educational standards. More recently, the group has turned its attention to the books being used in Florida's schools. A new state law, developed and pushed through by Flaugh's group, allows parents, and any residents, to challenge the use of textbooks and instructional materials they find...