Wikipedia says that the United States has more than 200 million Christians. Why do they seem nearly invisible and powerless? Where are the leaders who can mobilize this huge force? Presumably, Christian groups agree on the importance of education. Predictably, conservative or traditional parents want the schools to be as good as possible. Wouldn't we expect to see a coordinated effort by Christian groups and their leaders to make sure that public education operates at the highest practicable level?What we seem to see instead is fragmentation and passivity. Particularly striking is that there is no leadership. When have you ever...