*** BESTPIX *** WASHINGTON, DC - MARCH 24: Subcommittee Chairman Sen. Ted Cruz (R-TX) (C) speaks as Committee Chairman Sen. Chuck Grassley (R-IA) (L) and ranking member Sen. Sheldon Whitehouse (D-RI) (R) look on during a hearing held by the Senate Committee on the Judiciary, Subcommittee on Federal Courts, Oversight, Agency Action, and Federal Rights examining the Arctic Frost investigation in the Hart Senate Office Building on March 24, 2026 in Washington, DC. Arctic Frost was an investigation opened by the Federal Bureau of Investigation looking into President Trump's attempt to overturn the results of the 2020 presidential election. (Photo by Andrew Harnik/Getty Images)

*** BESTPIX *** WASHINGTON, DC - MARCH 24: Newly sworn-in Sen. Alan Armstrong (R-OK), accompanied by his wife Shelly, participates in a ceremonial swearing in ceremony with Senate President Pro Tempore Charles Grassley (R-IA) (R) 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: 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: Newly sworn-in Sen. Alan Armstrong (R-OK), accompanied by his wife Shelly, participates in a ceremonial swearing in ceremony with Senate President Pro Tempore Charles Grassley (R-IA) (R) 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: Newly sworn-in Sen. Alan Armstrong (R-OK), accompanied by his wife Shelly, participates in a ceremonial swearing in ceremony with Senate President Pro Tempore Charles Grassley (R-IA) (R) 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: 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: 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)