An actor who left the glitz and glamour of Hollywood and stepped onto the political stage. The son of a former president who, as president himself, led the nation to war. And the first African-American to be elected president of the United States. American history is filled with saints and sinners as well as leaders who inhabit a space somewhere in-between. It is important that we learn from them, and from our successes and failures as a nation, as we look ahead and map out a role for the United States in the 21st century. In this engaging new book, the author examines three presidential...