evidence: The claim: Mitt Romney threatened to leave the Republican party and become a Democrat [...] "Senator #MittRomney Threatens to Leave Republican Party and Join Democrats," reads the post. [...] - Wall Street Journal, July 24, Donors, Don’t Fund a Trump Plurality - Salt Lake Tribune, April 12, Mitt Romney takes first step toward 2024 Senate reelection campaign - Politico, Dec. 20, 2020, Romney: GOP ‘has strayed’ from what he once knew - Associated Press, July 21, No, Mitt Romney has not threatened to leave the GOP - Federal Election Commission, July 14, STATEMENT OF CANDIDACY FILING FEC-1713522