FILE - From left, North Dakota Lt. Gov. Tammy Miller and Gov. Doug Burgum stand in the state House of Representatives, Oct. 23, 2023, before the start of a three-day special session at the state Capitol in Bismarck, N.D. Voters are settling a rambunctious Republican primary contest Tuesday, June 11, 2024, for North Dakota's only U.S. House seat and a competitive race for governor, with each winner putting themselves in a commanding position for the November general election. (AP Photo/Jack Dura, File)
North Dakota Lt. Gov. Tammy Miller chats with attendees at a groundbreaking ceremony, Tuesday, April 16, 2024, for the state's planned public health laboratory on the state Capitol grounds in Bismarck, N.D. Miller is running against U.S. Rep. Kelly Armstrong, R-N.D., in the Republican gubernatorial primary election on Tuesday, June 11, 2024. (AP Photo/Jack Dura)
U.S. Rep. Kelly Armstrong, R-N.D., stands for a photo Monday, June 10, 2024, outside the state Capitol in Bismarck, N.D. Armstrong, a three-term congressman who holds North Dakota's only U.S. House seat, is running for governor against Lt. Gov. Tammy Miller in the Republican gubernatorial primary election on Tuesday, June 11. (AP Photo/Jack Dura)
FILE - North Dakota Republican Public Service Commissioner Julie Fedorchak steps up to a lectern to announce her U.S. House candidacy at Republican Party headquarters in Bismarck, N.D., Feb. 15, 2024. In the race for the House seat being vacated by U.S. Rep. Kelly Armstrong, Fedorchak is among the Republican contenders. (AP Photo/Jack Dura, File)
FILE - U.S. Rep. Kelly Armstrong, R-N.D., speaks during a House Judiciary Committee markup hearing, May 16, 2024, on Capitol Hill in Washington. North Dakota's Republican Gov. Doug Burgum, who is among those being considered by former President Donald Trump as a vice presidential pick, is not seeking a third term, and Armstrong and Lt. Gov. Tammy Miller are facing off in the Tuesday, June 11, 2024, primary in hopes of succeeding him. (AP Photo/Jose Luis Magana, File)
Public Service Commissioner Julie Fedorchak, a Republican candidate for North Dakota's single U.S. House seat, speaks to reporters during a press conference Tuesday, June 11, 2024, at her campaign office in Bismarck, N.D. Fedorchak condemned text messages that portray her as withdrawing from the competitive House race, the same day as the primary election. (AP Photo/Jack Dura)