President Donald Trump listens during a meeting to sign an executive order about vaccines, Monday, Aug. 10, 2026, in the Oval Office of the White House in Washington. (AP Photo/Jacquelyn Martin)

Health and Human Services Secretary Robert F. Kennedy Jr. speaks as President Donald Trump listens during a meeting to sign an executive order about vaccines, Monday, Aug. 10, 2026, in the Oval Office of the White House in Washington. (AP Photo/Jacquelyn Martin)

President Donald Trump holds up an image taken from his Truth Social account as Health and Human Services Secretary Robert F. Kennedy Jr. watches during a meeting to sign an executive order about vaccines, Monday, Aug. 10, 2026, in the Oval Office of the White House in Washington. (AP Photo/Jacquelyn Martin)

FILE - Demonstrators protest against President Donald Trump's deployment of federal law enforcement and National Guard troops during a march, Sept. 6, 2025, in Washington. (AP Photo/Jose Luis Magana, File)

FILE - National Guard members gather near a large portrait of President Donald Trump on the Labor Department headquarters before the body of Metropolitan Police Department officer Terry Bennett is driven past the Capitol, Jan. 8, 2026, in Washington. (AP Photo/Mark Schiefelbein, File)

FILE - Armed National Guard soldiers from West Virginia patrol the Mall near the Capitol in Washington, as part of President Donald Trump's order to impose federal law enforcement in the nation's capital, Aug. 26, 2025. (AP Photo/J. Scott Applewhite, File)

WASHINGTON, DC - AUGUST 10: The Lincoln Memorial and Reflecting Pool are seen from the Washington Monument on August 10, 2026 in Washington, DC. U.S. President Donald Trump ordered the pool to be drained for repairs after the project was allegedly vandalized. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - AUGUST 10: The Lincoln Memorial is seen in reflection from the Reflecting Pool on August 10, 2026 in Washington, DC. U.S. President Donald Trump ordered the pool to be drained for repairs after the project was allegedly vandalized. (Photo by Andrew Harnik/Getty Images)