The use of oaths of office in the United States is widespread. At the federal level, oaths are required of the President, Vice President, cabinet officials, members of Congress, civil officials and military members. More broadly, oaths of office have been used throughout history and across nations. What do such oaths require, and do they matter?
Article II, Section 1 of the U.S. Constitution sets out the oath required of a President upon assuming office. The oath has two parts: (1) to faithfully execute the office of President; and (2) to protect, support, and defend, the Constitution. Apart...