We the People: Presidents and former Presidents are subject to subpoenas

The 1807 treason trial of Aaron Burr, lost in the mists of early American legal history stirs, at most, only feint recollections among members of the Bar, let alone the general public. But Chief Justice John Marshall’s landmark ruling that the president is required to obey subpoenas represents a principle that is fundamental to American Constitutionalism and the rule of law.

Marshall’s ruling is a...