House Speaker Dennis Hastert tends to operate behind the scenes. He’s not one to make long public speeches or bask in the Washington glow. His image is more of a legislative tactician than a heavy thinker. But it turns out that Hastert has developed a very clear set of opinions on domestic and economic policy, all of which he reveals in his just-released book, Speaker. In particular, the book has an excellent pro-growth, free-market, pro-competition policy chapter that covers taxes, education, healthcare, energy, and tort reform. In every case the speaker comes down on the side of the people and...