
Rep. Kevin Hern (R-Okla.) announced on March 11, 2026, that he will run to represent Oklahoma in the U.S. Senate in 2026 rather than for another term in the U.S. House of Representatives. On March 4, 2026, President Donald Trump (R) announced that he was nominating incumbent Sen. Markwayne Mullin (R-Okla.) to serve as Secretary…