Why is America living in an age of profound economic inequality? Why, despite the desperate need to address climate change, have even modest environmental efforts been defeated again and again? Why have protections for employees been decimated? Why do hedge-fund billionaires pay a far lower tax rate than middle-class workers? The conventional answer is that a popular uprising against "big government" led to the ascendancy of a broad-based conservative movement. But as Jane Mayer shows in this powerful, meticulously reported history, a network of exceedingly wealthy people with extreme libertarian views bankrolled a systematic, step-by-step plan to fundamentally alter the American political system. The network has brought together some of the richest people on the planet. Their core beliefs-that taxes are a form of tyranny; that government oversight of business is an assault on freedom-are sincerely held. But these beliefs also advance their personal and corporate interests: Ma...