“Some 47 years ago C. Vann Woodward and Richard Hofstadter, two of the greatest names in postwar American historiography, laid out a plan for a multivolume history of the United States. The series, to be published by Oxford University Press, would be a grand summation of their generation’s understanding of American history, combining high politics with social and cultural history and bridging the widening chasm between professional historians and intelligent lay readers.” Half a century later the project is still only half done…