How did liberals get to be the way they are today? That's the question many Americans have been asking--particularly after the ascent of Barack Obama, the most left-wing president in American history. At last, historians Donald T. Critchlow and W. J. Rorabaugh supply the answer. The authors show that it is a mistake to see the Obama administration's sweeping agenda as a single man's vision. Equally flawed, they reveal, is the...