A once-fringe theory on birthright citizenship comes to the Supreme Court

The U.S. Supreme Court hears oral arguments on May 15 in a case challenging an executive order President Trump signed in January to limit who is entitled to birthright citizenship.

The Trump administration seeks to challenge the constitutional provision that guarantees automatic citizenship to babies born in the U.S. But the arguments are likely to focus on a different question.

(Image credit: Win McNamee)