Once again, the Trump administration has carried its campaign against mail-in voting to the steps of the Supreme Court, seeking the justices' blessing to impose new restrictions on a practice that millions of Americans now treat as ordinary civic life. The petition is not merely a legal filing — it is a statement of intent, a signal that the executive branch regards the expansion of mail ballot access as unfinished business. How the Court responds will say something not only about voting rules, but about the kind of democracy Americans are building for the decades ahead.