Donald Trump may cease cooperation with the Republican National Committee (RNC) and its chamber affiliates if they attack the candidates the former president endorses against the Republicans who voted to impeach him, according to an adviser. Jason Miller, the spokesman and adviser for the former president, told Steve Bannon’s War Room on March 10 that even though the recent spat with the RNC over the use of Trump’s name and likeness is settled, there would be “big problems” if the committee or its House and Senate affiliates attacked Trump-endorsed candidates in the 2022 primary elections. Trump has so far endorsed one candidate, Max Miller, against one of the 10 Republicans who voted in favor of impeachment. But National Republican Congressional Committee (NRCC) Chair Tom Emmer earlier this month cautioned Trump against doing so and indicated that the NRCC will support the 10 GOP members who voted for impeachment. Jason Miller …