Indiana and Ohio Primaries Show Trump’s Grip Still Holds
Trump-backed challengers won in Indiana, while Ohio’s low-drama primaries set up marquee Senate and governor races for November.
Indiana’s Tuesday primaries delivered the clearest answer: Donald Trump can still punish Republicans who cross him, even in state legislative races most voters would normally ignore. At least five of the seven Trump-endorsed challengers beat GOP incumbents who had voted against a new congressional map last year, after Trump turned the contests into a loyalty test and his allies poured money into advertising. 
CNN Politics, 
Washington Post / AP
Indiana: message discipline beats local seniority
This was not a normal primary about ideology or performance. It was a correction mechanism. The seven targeted Indiana state senators had helped block a redistricting plan that would have given Republicans a shot at all nine U.S. House seats; Trump’s response was to make disloyalty expensive. CNN Politics, Washington Post / AP
The scale of the intervention matters. CNN reported $13.4 million in advertising in Indiana’s state Senate primaries, versus about $280,000 in the entire 2024 cycle for those races. That kind of spending does not just move votes; it resets what Republican officeholders think is survivable inside the party. The immediate beneficiaries are Trump and his preferred candidates. The losers are Indiana Republicans who thought institutional seniority or local records could still outweigh a presidential endorsement. CNN Politics
For anyone tracking the broader GOP, this is the important signal: redistricting fights now carry personal political risk. That will be read closely in other Republican-controlled states considering map changes before November. For broader context on the national party fight, see 
US Politics.
Ohio: the nominations are settled, the real fight starts now
Ohio’s primaries were quieter, but the general-election board is now set for two nationally relevant races. Former Sen. Sherrod Brown won the Democratic nomination to challenge Republican Sen. Jon Husted, while Vivek Ramaswamy secured the GOP nod for governor and will face Democrat Amy Acton in the race to replace outgoing Gov. Mike DeWine. CNN Politics
The most consequential Ohio result may be the Republican nomination in the Toledo-based 9th District, where the GOP sees one of its best pickup chances against Rep. Marcy Kaptur after last year’s redistricting made the seat more favorable. That race will tell Republicans whether they can convert map advantage into an actual House gain in a difficult national environment. CNN Politics
What to watch next
The next decision point is whether Indiana Republicans who survived Tuesday regroup around party discipline or whether the purge widens ahead of the next redistricting battles. In Ohio, watch whether Brown can nationalize the Senate race and whether Republicans can hold the 9th District as a test case for their House strategy. The date that matters next is November, when these primary results stop being internal party drama and become a vote on Trump’s 2026 political reach.
