Are you a U.S. citizen?

This burning question was put to the Supreme Court: Will the 2020 census ask whether a respondent is a U.S. citizen?

The answer to that simple question can help distinguish who lives in the United States vs. who is a citizen of the United States.

The difference is important for different reasons, some of which are purely political, some solely economic and some of both. And regardless where you fall on the political spectrum — and whether you are a citizen or a resident — the question must be asked,...