There Is No President Who Is Righteous, No, Not One

A government built on the assumption of its leader’s good character is a government badly built.

The Supreme Court’s Monday ruling on presidential immunity from criminal prosecution did not offer boundless endorsement of the executive officeholder’s prerogative to do whatever he wants without fear of consequence.

But it came far too close, holding that the Constitution “entitles a former President to absolute immunity from criminal prosecution for actions within his conclusive and...