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)

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: Police stand 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 Heather Diehl/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 Heather Diehl/Getty Images)

WASHINGTON, DC - MARCH 31: U.S. President Donald Trump and first lady Melania Trump arrive at the Opera House of the Kennedy Center for the opening night performance of the musical "Chicago" on March 31, 2026 in Washington, DC. The Kennedy Center board of directors voted earlier this month to shut down for two years as part of a major overhaul of the center at the behest of the president. (Photo by Alex Wong/Getty Images) ***BESTPIX***