evidence: Did Sen. Mitt Romney threaten to leave the Republican Party and join the Democrats? No, that's not true: The Utah senator's spokesperson told Lead Stories there was "zero truth" to the claim. Romney filed paperwork in July 2023 that would allow him to seek re-election to the U.S. Senate as a Republican. [...] Senator #MittRomney Threatens to Leave Republican Party and Join Democrats https://t.co/laex9XuoWm [...] The tweet did not elaborate beyond claiming Romney "threatens to leave Republican Party," and it cited no source or other substantiation for the claim.