The proposition that the Constitution needs to be rewritten begs a critical question-namely what the Constitution is. If we posit that by Constitution we mean the rules drafted by the Philadelphia Convention of 1787 as amended in accordance with Article V of those rules, the argument that many of those rules are out of date and need to be replaced is a powerful one. This inadequacy appears in the powers they grant, the powers they do not grant, some of the limitations they impose on public decisions, and some limitations they ought to impose but do not. No matter how sensible they were for the eighteenth century, changes with respect, at least, to geography, demographics, technology, and prevailing values make current problems of governance...