WASHINGTON, DC - MARCH 24: Newly sworn-in Sen. Alan Armstrong (R-OK) (L), accompanied by his wife Shelly (C), pose for a photograph following a ceremonial swearing in ceremony with Senate President Pro Tempore Charles Grassley (R-IA) in the Old Senate Chamber at the U.S. Capitol Building on March 24, 2026 in Washington, DC. Armstrong, a longtime petroleum executive, was sworn in as an interim Senator for Oklahoma to replace Markwayne Mullin, who was tapped to replace Kristi Noem as the new U.S. Secretary of Homeland Security. (Photo by Andrew Harnik/Getty Images)

WASHINGTON, DC - MARCH 24: Construction continues on the White House Rose Garden and Colonnade on March 24, 2026 in Washington, DC. U.S. President Donald Trump said there will be a new walkway with black granite installed in the Colonnade. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 24: Construction continues on the White House Rose Garden and Colonnade on March 24, 2026 in Washington, DC. U.S. President Donald Trump said there will be a new walkway with black granite installed in the Colonnade. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 24: U.S. Secretary of the Department of Homeland Security Markwayne Mullin and his wife Christie Mullin attend his swearing-in ceremony 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)

WASHINGTON, DC - MARCH 24: U.S. President Donald Trump takes questions during a ceremony for newly sworn in U.S. Secretary of the Department of Homeland Security Markwayne Mullin (R) 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)

WASHINGTON, DC - MARCH 24: U.S. President Donald Trump continues talking with reporters, including CBS News White House Correspondent Ed O'Keefe (R), after hosting the swearing-in ceremony for U.S. Secretary of the Department of Homeland Security Markwayne Mullin in the Oval Office at the White House on March 24, 2026 in Washington, DC. Mullin takes the helm of the security department during a challenging time as it has been partially shut down since February 14 as lawmakers negotiate reforms for Immigration and Customs Enforcement. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 24: U.S. President Donald Trump continues talking with reporters, including CBS News White House Correspondent Ed O'Keefe (R), after hosting the swearing-in ceremony for U.S. Secretary of the Department of Homeland Security Markwayne Mullin in the Oval Office at the White House on March 24, 2026 in Washington, DC. Mullin takes the helm of the security department during a challenging time as it has been partially shut down since February 14 as lawmakers negotiate reforms for Immigration and Customs Enforcement. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 24: U.S. President Donald Trump continues talking with reporters, including CBS News White House Correspondent Ed O'Keefe (R), after hosting the swearing-in ceremony for U.S. Secretary of the Department of Homeland Security Markwayne Mullin in the Oval Office at the White House on March 24, 2026 in Washington, DC. Mullin takes the helm of the security department during a challenging time as it has been partially shut down since February 14 as lawmakers negotiate reforms for Immigration and Customs Enforcement. (Photo by Chip Somodevilla/Getty Images)