On April 1, 2026, Trump became the first sitting president in American history to attend Supreme Court oral arguments — and watched his own handpicked justices dismantle his case in real time.
Trump sat for approximately 90 minutes during Trump v. Barbara, the case challenging his executive order to end birthright citizenship. It was catastrophic. Justice Amy Coney Barrett, his own appointee, challenged the legal foundation: “You say the purpose of the 14th Amendment was to put all newly freed slaves on equal footing... But that's not textual. So how do you get there?” Justice Neil Gorsuch, another Trump appointee, asked his lawyer John Sauer: “Do you think Native Americans are birthright citizens under your test?” Sauer stumbled: “Ah, I think... so. I'll have to think that through.” Chief Justice Roberts delivered a stark rebuke: “It's a new world. It's the same Constitution.”
None of the conservative justices came to Sauer's aid. Legal analysts called it “a particularly bad sign for the administration.”
Trump left abruptly around 11:25 a.m., exiting via motorcade. He returned to the White House and immediately posted on Truth Social: “We are the only Country in the World STUPID enough to allow 'Birthright' Citizenship!”
The 14th Amendment has guaranteed birthright citizenship since 1868. The Supreme Court affirmed it in United States v. Wong Kim Ark in 1898. Four federal judges — appointed by both Republican and Democratic presidents — had already blocked Trump's executive order as unconstitutional. And now his own justices appeared ready to do the same. Disbarred attorney John Eastman was spotted outside the court.
On June 30, 2026, the Court ruled (see Trump Signs an Executive Order to End Birthright Citizenship on Day One, and the Supreme Court Strikes It Down 6-3). In Trump v. Barbara, the justices held 6-3 that children born in the United States to parents unlawfully or temporarily present are citizens at birth under the Fourteenth Amendment, striking down Executive Order 14160. Chief Justice Roberts wrote the majority, joined by Justices Kagan, Sotomayor, Barrett, and Jackson; Justice Kavanaugh concurred on statutory grounds. Justice Alito dissented, writing that “The Court has made a serious mistake.” Within hours, Trump responded not by accepting the ruling but by urging Congress to override it by ordinary law. He posted that Congress could “easily” end birthright citizenship “through Legislation” and that “No long and unwieldy Constitutional Amendment is necessary!” That is legally wrong: birthright citizenship is guaranteed by the Fourteenth Amendment, and no statute can strip a constitutional right the Supreme Court has just affirmed. Ending it would require a constitutional amendment, ratified by three-fourths of the states.
On July 8, 2026, Trump announced on Truth Social that he would ask the Court to rehear the case “IMMEDIATELY,” calling the ruling a “miscarriage of justice.” The request is close to futile. The Supreme Court almost never grants rehearing petitions, and it has not granted one after announcing a decision in an argued case since 1965.
Congressional Republicans opened a second front. Rep. John McGuire III (R-Va.) introduced the Birthright Citizenship Clarification Act of 2026, which would amend the Immigration and Nationality Act so that a child born in the United States would not automatically be a citizen if the mother was unlawfully present and the father was neither a citizen nor a lawful permanent resident. The bill is built on Justice Kavanaugh's separate concurrence rather than the Court's holding. Kavanaugh, who was not part of the majority, reasoned that the executive order conflicted with federal statutes that Congress could amend, not with the Fourteenth Amendment itself. The majority grounded its decision in the Constitution, which no statute can amend.
Related entries: A Judge Blocks Trump's Second Birthright Citizenship Order, Saying the Supreme Court Already Decided the Question.
Correction (October 2, 2026): 3 citations (CNN, NBC News, Reuters) were removed because their links are dead or could not be verified.