WASHINGTON, DC - SEPTEMBER 18: Natalie Harp, executive assistant to U.S. President Donald Trump, listens as U.S. President Donald Trump speaks to reporters about healthcare in the Oval Office at the White House on September 18, 2026 in Washington, DC. Trump announced that his administration's Medicaid ​"most-favored-nation" drug pricing model will cover all 50 ‌states, the District of ‌Columbia and Puerto Rico. (Photo by Chip Somodevilla/Getty Images)