28 resultsfor “most expensive Senate primary campaign”
expensive Senate primary campaign in US history. It also sets up what will be a closely
Senate, in what has become the most expensive primary in history. The reelection campaign for four
campaign spending in Kentucky The race between Massie and Gallrein was the most expensive [congressional primary](/news/2026/5/18/massie-race-breaks-spending-record-as-pro-israel-groups-target-trump-critic) in US history, reaching more than $34m in publicity spending. More than $19m was spent to benefit Gallrein
campaign. Trump’s endorsement has already proven to have significant sway in Republican primaries. His efforts to run challengers [against several state GOP senators in Indiana](https://www.politico.com/news/2026/05/05/trump-revenge-indiana-election-results-00907629) and against [Sen. Bill Cassidy
Senate, one week before voting ends in the contentious and expensive primary. "Ken Paxton has gone through a lot, in many cases, very unfairly, but he is a Fighter, and knows how to WIN." [Trump
Senate. Risch faces a challenge, though. The Republican primary for his seat has seen more spending than many of the state’s other races. But as with the other races, the incumbent’s campaign chest
expensive](/news/2026/5/18/massie-race-breaks-spending-record-as-pro-israel-groups-target-trump-critic) House of Representatives primary in US history, saw more than $32m spent on advertising and offered the latest evidence of Trump’s hold over Republicans. It followed the primary defeat on Saturday
expensive and rancorous primary](https://www.politico.com/news/2026/04/15/rick-jackson-georgia-governor-billionaire-00872242) for the governor’s mansion quickly evolved into a contest over who best carried the MAGA mantle — Jones, who has the president’s explicit support, or Jackson
primary if the Senate GOP killed the filibuster to pass the SAVE America Act, Trump’s priority election bill, that staved off the president’s planned endorsement of Cornyn. The Texas senator belatedly announced
expensive primary also involved AIPAC and its pro-Israel allies, who succeeded in helping defeat progressive Congresswoman [Cori Bush](/news/2024/8/7/cori-bush-loses-democratic-primary-after-huge-campaign-by-pro-israel-groups) in 2024. ## The Trump factor Beyond the millions of dollars in pro-Israel spending, Massie
Senate races to watch: From most likely to flip to Democratic long shots](https://www.npr.org/2026/05/02/nx-s1-5806271/2026-midterm-elections-control-senate-race) The frontrunner in polls and campaign finance reporting is Rep. Mike Collins, followed by Derek Dooley, son of famous
Senator Bill Cassidy, who voted in favour of Trump’s conviction after the 6 January insurrection, [lost a primary](https://www.theguardian.com/us-news/2026/may/17/republican-louisiana-senator-bill-cassidy-results-primary-trump) in Louisiana after the president backed challenger Julia Letlow. Massie, a libertarian-minded
Senate pickup opportunities. They’re now blaming each other as the GOP primary unravels into an intraparty brawl that could cost them their chance of defeating Democratic Sen. Jon Ossoff. The party is grappling with
campaign has been spent focused on November’s general election, as he positions himself for an expensive run against Dr Amy Acton, a former state health director running unopposed for the Democrats. Contests
senators who clashed with him over redistricting in Indiana and Sen. Bill Cassidy’s loss in Louisiana on Saturday. But the runoff also prolongs an already rancorous and expensive primary by several weeks. Jackson
expensive Senate primary on record](https://x.com/AdImpact_Pol/status/2059325503455088860?s=20) with his eyes trained on November. After securing Trump’s endorsement last week, Paxton announced he’d [remove all ads attacking Cornyn](https://www.politico.com/news/2026/05/21/paxton-cornyn-texas-senate-ads-00932673) from
expensive intraparty House fight on record. It’s the latest in a string of primary victories for the president that cements his viselike grip on the GOP even as his overall [approval numbers](https://www.politico.com
Senate majority, and in the House majority.” Massie pointed to several significant constituencies – including “[Make America healthy again](https://www.theguardian.com/us-news/2026/feb/04/trump-environmental-rollbacks-maha-promise)” campaigners, fiscal hawks pushing for sweeping government budget cuts, and voters
expense of voters.” ## Shell PACs In Illinois, the ad aimed to boost Amiwala in order to siphon off votes from more viable progressive candidates — namely Palestinian American activist [Kat Abughazaleh](/news/2025/10/29/us-democratic-congressional-candidate-indicted-for-chicago-ice-protest), who ended up losing
primary since 2012. The two-term senator and chair of the powerful Senate Health, Education, Labor, and Pensions (HELP) Committee failed to even make the runoff, finishing with roughly a quarter of the vote. Both