"Noted political scientist Benjamin Ginsberg has written an essential text for courses on the United States presidency. An invaluable resource, Ginsberg{u2019}s comprehensive analysis emphasizes the historical, constitutional, and legal dimensions of presidential power. He explores the history and essential aspects of the office, the president{u2019}s relationship to the rest of the executive branch and to a subordinated Congress, and the evolution of the American president from policy executor to policy maker. Compelling photo essays delve into topics of special interest, including First Spouses, Presidential Eligibility, and Congressional Investigations of the White House."--De l'éditeur.;What is an executive, and why do we need one? -- The constitutional foundations of presidential power -- A brief history of the presidency -- Presidential elections -- The executive branch -- The president, the Congress, and domestic policy -- Presidential policy tools -- The executive and the courts -- Foreign policy and national security -- Understanding the presidency as an institution: advice for citizens and voters.