former Hewlett-Packard CEO Carly Fiorina, predicted that if Trump were the Republican nominee, it would be a disaster for the party's House and Senate candidates — a possibility some of the anti-Trump agitators were most likely worried about at the Republican meeting Monday.

"Priebus and McConnell were mostly quiet during the back and forth. They did not signal support an overt anti-Trump effort," Costa and Hamburger wrote of the meeting, which was reportedly attended by more than 20 Republican leaders, some of them allies of Trump's primary rivals.

The Post's report added, "Upon leaving, several attendees said they would soon share with one another memos about delegate allocation in each state as well as research about the 1976 convention, the last time the GOP gathered without a clear nominee."

An RNC5 and September 15, using a Qualtrics-curated online panel with quotas in place for gender and age, along with stratification by region. Margin of error: ±3.6% (applicable only to overall results and not to demographic subgroups).

Access the complete BW CRI 2018 Midterm Election Poll topline report (PDF) here including detailed methodology notes.

Media coverage

In addition to adding meaningtful data to the running calculations of the national FiveThirtyEight election site, results of the CRI survey have helped to inform coverage of the 2018 midterm election at a number of Ohio and national media outlets including CBS News, The Hill, cleveland.com/The Plain Dealer, Dayton Daily News, Cincinnati Enquirer, WCPN's Sound of Ideas, WEWS-TV, WHIO-TV and WKYC-TV, among others.