Joint Finance Committee co-chair Sen. Howard Marklein was first elected to the state Senate in 2014 after serving two terms in the Assembly. Marklein speaks at a June 2025 press conference alongside co-chair Rep. Mark Born. (Photo by Baylor Spears/Wisconsin Examiner)Sen. Howard Marklein (R-Spring Green) announced his reelection bid on Monday — seeking a fourth term in the state Senate as other longtime Republicans are opting out of running. Mark…