The article discusses how the American presidency has evolved over time, from its beginnings to the present day. It focuses on how historical events have shaped the presidency into what it is today, looking at its relationship with the public, Congress, the Executive branch, and the law. The author uses stories about individuals and political conflicts to illustrate these changes. The text also includes visuals like photos and tables to help explain concepts, and a companion website offers additional resources for students. The second edition includes a new chapter on unilateral powers in domestic policymaking.