WASHINGTON (AP) — In the hours after the attack on the U.S. Capitol on Jan. 6, 2021, Ohio’s then-Republican senator, Rob Portman, voted to accept President Joe Biden’s win over the defeated former president, Donald Trump, despite Trump’s false allegations that Biden only won because of fraud.

But as Trump charges toward his rematch with Biden in 2024, Portman has been replaced by Sen. J.D. Vance, a potential vice presidential pick who has echoed Trump’s false claims of fraud and said he’ll accept the results this fall only “if it’s a free and fair election.”

South Carolina Sen. Tim Scott and Florida Sen. Marco Rubio, other possible VP picks, also declined to object to Biden’s victory over Trump, but have been less committal this year. Rubio said recently if “things are wrong” with November’s election, Republicans won’t stand by and accept the outcome.