POLITICO surveyed nearly two dozen GOP chairmen, officials and operatives in key swing states who said the RNC hadn’t delivered on promises, imperiling their ability to launch the robust voter-turnout operation needed in the general election.

It’s a development that could spell trouble for Donald Trump, who trounced his primary competition despite the lack of a traditional field organization but is now relying on the national party for its infrastructure, and it has implications for the fragile Republican Senate majority, which is also depending on the RNC’s ground game.

In traditionally Republican states that could become competitive this election season, concern is mounting. Arizona’s state party chairman, Robert Graham, has only one RNC-paid staffer on hand — and had to fight with the national party to keep that person employed.

“That’s what we have,” Graham said in an interview.