Democrats hold slim majorities in the House and Senate and Republicans are eager to pick up seats in 2022 to regain majorities in both chambers.
"This is not about policy. This is not about partisanship. This is about our duty as Americans," she said. "Remaining silent and ignoring the lie emboldens the liar. I will not participate in that. I will not sit back and watch in silence, while others lead our party down a path that abandons the rule of law and joins the former president's crusade to undermine our democracy."