<p style=margin: 0in 0in 0pt;>Providing both a historical and contemporary perspective on presidential powers&nbsp;<em>The Powers of the Presidency</em>&nbsp;guides readers through the presidency as a constitutional office covering how it was shaped by design at the Constitutional Convention in 1787 and by later constitutional amendments Supreme Court decisions and custom and precedent. It discusses the various roles of the chief executive including chief of state chief administrator legislative leader chief diplomat commander in chief and chief economist. The fourth edition of this accessible and affordable work has been significantly updated and features:</p><p style=margin: 0in 0in 0pt 0.5in;>&middot;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Coverage of the final years of George W. Bush and the first three years of Barack Obama's presidency</p><p style=margin: 0in 0in 0pt 0.5in;>&middot;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Extensive coverage of the Obama Administration's efforts to curb economic decline</p><p style=margin: 0in 0in 0pt 0.5in;>&middot;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Updates on the wars in Iraq and Afghanistan the killing of Osama bin Laden and on the treatment of detainees at Guantanamo Bay</p><p style=margin: 0in 0in 0pt 0.5in;>&middot;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Coverage of the Arab Spring protests and U.S. involvement in the military intervention in Libya</p><p style=margin: 0in 0in 0pt 0.5in;>&middot;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Barack Obama's health care reform legislation</p>