WASHINGTON, DC - MARCH 24: U.S. President Donald Trump (L) speaks before former U.S. Sen. Markwayne Mullin (R-OK) (C) is sworn in as the next secretary of the Department of Homeland Security as his wife Christie Mullin (C-R) and children (R) look on in the Oval Office at the White House on March 24, 2026 in Washington, DC. Mullin takes the helm of DHS during a challenging time as it has been partially shut down since February 14 while lawmakers negotiate reforms for Immigration and Customs Enforcement. (Photo by Chip Somodevilla/Getty Images)