Sen. Amy Klobuchar, D‑Minn., successfully fended off her primary challengers Tuesday and is advancing to Minnesota’s general Senate election in November.The North Star State’s senior senator is seeking a fourth term, having first been elected to Congress in 2006 as the first woman from Minnesota to hold the job.She chairs the Senate Rules Committee and the Senate Democratic Steering Committee, a lower-level caucus leadership role.MINNESOTA GOP DEMANDS PROBE AFTER NONCITIZEN CLAIMS RECEIVING PRIMARY BALLOT WITHOUT REGISTERING TO VOTEKlobuchar faced four other declared challengers in the race, but none posed a serious threat to her re-election.One of her challengers for the Democratic–Farmer–Labor Party nomination, the Democratic Party affiliate in Minnesota, is Steve Carlson, who unsuccessfully challenged her in 2018 and ran against Sen. Tina Smith, D‑Minn., as an independent in 2020.And just one of Klobuchar …