“I think they should keep separate,” said Lou Capozzi, the chairman of the Cumberland County Republican Committee. “They have different messages. There’s some people who are going to be receptive to Doug’s message. And hopefully, they’ll vote for him. And there’s going to be people that are receptive to Oz’s message. And there may be some crossover.”…

Trump-backed tickets in other areas have converged. In Arizona, Kari Lake, Trump’s pick for governor, and Blake Masters, his Senate choice, campaigned together on the eve of the primary. In Michigan, Matt DePerno, Trump’s preferred candidate for attorney general, joined Tudor Dixon, his choice for governor, on the campaign trail hours after he endorsed her late last month.

“It’s an awkward marriage,” said Morgan Boyd, a Republican commissioner in Lawrence County, which went for Trump by 30 points in 2020…

“I think that Dr. Oz’s base is very different from Doug Mastriano’s base,” Boyd said. “I think it would be difficult for the two campaigns to reconcile and get on the same policy message when you have two very different groups of voters supporting them.”