FILE - Sen. Tammy Baldwin, D-Wis., speaks during a Senate Health, Education, Labor and Pensions confirmation hearing for Julie Su to be the Labor Secretary, on Capitol Hill, Thursday, April 20, 2023, in Washington. Republican U.S. Rep. Mike Gallagher announced Friday, June 9, 2023, that he won't run for U.S. Senate in 2024 against Baldwin, leaving an open GOP field with no declared candidates in the battleground state.(AP Photo/Alex Brandon, File) FILE
