WASHINGTON, DC - APRIL 01: Members of the ACLU legal team including ACLU National Legal Director Cecilia Wang (2L) and ACLU Executive Director Anthony Romero (2R) pose for a photo outside 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: ACLU National Legal Director Cecilia Wang speaks to the media outside 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: ACLU National Legal Director Cecilia Wang speaks to the media outside 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 Al Drago/Getty Images)

Demonstrators rally outside the U.S. Supreme Court after justices hear oral arguments on whether President Donald Trump can deny citizenship to children born to parents who are in the United States illegally or temporarily, on Capitol Hill in Washington, Wednesday, April 1, 2026. (AP Photo/Tom Brenner)

WASHINGTON, DC - APRIL 01: ACLU National Legal Director Cecilia Wang hugs a person outside 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: President and Director-Counsel of the Legal Defense Fund (LDF) Janai Nelson speaks to the media outside 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: President and Director-Counsel of the Legal Defense Fund (LDF) Janai Nelson speaks to the media outside 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: ACLU National Legal Director Cecilia Wang speaks to the media outside 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 Al Drago/Getty Images)