Think homeschooling is only for a handful of eccentrics on either end of the political spectrum? Think again. Today in America, two million primary- and secondary-school students are homeschooled. Growing at a rate of 10 percent annually, homeschooling represents the most dramatic change in American education since the invention of the mimeograph--and the story has only just begun. In The Year of Learning Dangerously, popular blogger, author, and...