In the early 20th century, business elites, trade associations, wealthy powerbrokers, and media allies set out to build a new American orthodoxy: down with "big government" and up with unfettered markets. With startling archival evidence, Oreskes and Conway document campaigns to rewrite textbooks, combat unions, and defend child labor. They detail the ploys that turned hardline economists Friedrich von Hayek and Milton Friedman into household names;...