Demonstrators rally in support of birthright citizenship outside the US Supreme Court in Washington, DC on April 1, 2026. President Donald Trump attended in person as the US Supreme Court heard a landmark case weighing the constitutionality of his contentious bid to end birthright citizenship, an extraordinary and possibly unprecedented move for the nation's highest office. (Photo by Mandel NGAN / AFP via Getty Images)

Demonstrators rally in support of birthright citizenship outside the US Supreme Court in Washington, DC on April 1, 2026. President Donald Trump attended in person as the US Supreme Court heard a landmark case weighing the constitutionality of his contentious bid to end birthright citizenship, an extraordinary and possibly unprecedented move for the nation's highest office. (Photo by Kent Nishimura / AFP via Getty Images)

American Civil Liberties Union (ACLU) lawyer Cecilia Wang speaks outside the US Supreme Court in Washington, DC, on April 1, 2026. President Donald Trump attended in person as the US Supreme Court heard a landmark case weighing the constitutionality of his contentious bid to end birthright citizenship, an extraordinary and possibly unprecedented move for the nation's highest office. (Photo by Mandel NGAN / AFP via Getty Images)

A Betsy Ross flag, a 1792 design of the US flag, is displayed as demonstrators gather outside the US Supreme Court in Washington, DC on April 1, 2026. President Donald Trump attended in person as the US Supreme Court heard a landmark case weighing the constitutionality of his contentious bid to end birthright citizenship, an extraordinary and possibly unprecedented move for the nation's highest office. (Photo by Kent Nishimura / AFP via Getty Images)

Spanish-American chef Jose Andres departs after speaking in support of birthright citizenship outside the US Supreme Court in Washington, DC on April 1, 2026. President Donald Trump attended in person as the US Supreme Court heard a landmark case weighing the constitutionality of his contentious bid to end birthright citizenship, an extraordinary and possibly unprecedented move for the nation's highest office. (Photo by Kent Nishimura / AFP via Getty Images)

WASHINGTON, DC - APRIL 01: The Presidential limousine, "The Beast" carrying U.S. President Donald Trump departs after Trump attended oral arguments at the U.S. Supreme Court on April 01, 2026 in Washington, DC. The Supreme Court is hearing oral arguments in Trump v. Barbara to determine if President Trump's executive order ending birthright citizenship is constitutional. According to historians and the Court, this is the first time a sitting president has attended oral arguments at the nation's highest court. (Photo by Andrew Harnik/Getty Images)

Demonstrators rally in support of birthright citizenship outside the US Supreme Court in Washington, DC on April 1, 2026. President Donald Trump attended in person as the US Supreme Court heard a landmark case weighing the constitutionality of his contentious bid to end birthright citizenship, an extraordinary and possibly unprecedented move for the nation's highest office. (Photo by Mandel NGAN / AFP via Getty Images)

Demonstrators display signs outside the US Supreme Court in Washington, DC on April 1, 2026. President Donald Trump attended in person as the US Supreme Court heard a landmark case weighing the constitutionality of his contentious bid to end birthright citizenship, an extraordinary and possibly unprecedented move for the nation's highest office. (Photo by Mandel NGAN / AFP via Getty Images)