The authors of the U.S. Constitution had the foresight to recognize that members of Congress may at times choose to conduct themselves in such a way that they are no longer suitable to serve in the House of Representatives or the Senate. And while individual States do not have the authority to expel (or “un-elect”) a congressional representative from office, both the House and the Senate have the authority to expel a member by a two-thirds vote of the membership of the respective body who are...