WASHINGTON, DC - APRIL 01: Police are seen ahead of U.S. President Donald Trump's expected arrival to 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)

WASHINGTON, DC - APRIL 01: Police are seen ahead of U.S. President Donald Trump's expected arrival to 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)

WASHINGTON, DC - APRIL 01: Attorney John Eastman (R) arrives 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: Attorney John Eastman arrives 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: People demonstrate outside the U.S. Supreme Court ahead of U.S. President Donald Trump's expected arrival 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: Attorney John Eastman (R) arrives 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 Al Drago/Getty Images)

WASHINGTON, DC - APRIL 01: A general view of the U.S. Supreme Court ahead of U.S. President Donald Trump's expected arrival 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: People demonstrate outside the U.S. Supreme Court ahead of U.S. President Donald Trump's expected arrival 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)