What is an American? Bruce P. Frohnen and Ted V. McAllister argue that we are, in fact, a distinct people with our own common character that transcends race, gender, ethnicity, and class. They find in our current political conflicts a crisis of identity that stems from changes, not just in our political, economic, and technological environment, but in our ability to evaluate-and to value-the personalities that shaped our way of life. The history of...