President Donald Trump, center right, first lady Melania Trump, right, China's President Xi Jinping, center left, and his wife Peng Liyuan watch a silent drill platoon review on the new helipad from the Blue Room Balcony of the White House, Thursday, Sept. 24, 2026, in Washington. (AP Photo/Alex Brandon)

The entrance to an exhibit on Emmett Till is seen at the Smithsonian's National Museum of African American History and Culture, Wednesday, Sept. 23, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

Shanita Brackett, acting director of the Smithsonian's National Museum of African American History and Culture, speaks during an interview with The Associated Press, Wednesday, Sept. 23, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

Cars drive past Smithsonian's National Museum of African American History and Culture, Wednesday, Sept. 23, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

Shanita Brackett, acting director of the Smithsonian's National Museum of African American History and Culture, speaks during an interview with The Associated Press, Wednesday, Sept. 23, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

People visit the Smithsonian's National Museum of African American History and Culture, Wednesday, Sept. 23, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)

The U.S. Capitol is seen Friday, Sept. 18, 2026, in Washington. (AP Photo/Mariam Zuhaib)

President Donald Trump and China's President Xi Jinping participate in an arrival ceremony in the Grand Foyer of the White House, Thursday, Sept. 24, 2026, in Washington. (AP Photo/Jacquelyn Martin)