America’s Constitution was once celebrated as a radical and successful blueprint for democratic governance, a model for fledgling republics across the world. But decades of political gridlock, electoral corruption, and dysfunction in our system of government have forced scholars, activists, and citizens to question the document’s ability to address the thorniest issues of modern ­political life.

Does the path out of our current era of stalemate, minority rule, and executive abuse require amending the Constitution? Do we need a new constitutional convention to rewrite the document and update it for the twenty-­first century? Should we abolish it entirely?

This…