Presidential Power in Historical Perspective: Reflections' on Calabresi and Yoo's The Unitary Executive

Document Type



12 U. Pa. J. Constl. L. 241 (2010)


On February 6 and 7, 2009, more than three dozen of the nation’s most distinguished commentators on presidential power gathered in Philadelphia to explore themes raised by a book authored by Steven Calabresi and I co-authored reviewing the history of presidential practices with respect to the unitary executive. The conference honoring our book and the special journal issue bringing together the articles presented there provide a welcome opportunity both to look backwards on the history of our project and to look forwards at the questions yet to be answered.

Date of Authorship for this Version



Separation of powers, government regulation, constitutional law, legal history, executive power, special prosecutors, independent counsels, Ethics in Government Act, Tenure of Office Act, departmentalism, removal, prompt letters