With a revised and updated foreword by George C. Edwards III that brings in the Trump Administration, this book argues that patterns in a person’s character, world view, and political style can allow us to anticipate his or her performance as president. How would Barber have categorized Donald J. Trump, who appears to defy every presidential type and norm? This question suggests one of the most provocative and appealing reasons for students, scholars, and voters to re-read at this particular juncture. What's should we look for in a president? This text offers explanations and predictions of the performance of past presidents and presidential candidates with many cautionary tales looking forward.