If a baby is born in the United States, is that baby an American citizen? Most of us don’t hesitate. Of course. That’s how it works. You’re born here—you’re American. It feels fundamental, almost automatic. One of those things so ingrained in how we understand this country that we rarely stop to question it. Until now. Weighing law against belonging. Because the Supreme Court is currently hearing arguments that could reshape that assumption—arguments sparked not by a new law,