The centrist Democrat helped deliver her party the House majority in 2018, and her decision to seek higher office could make it more difficult for Democrats to reclaim control in 2024.
Several Democrats elected in 2018 with an anti-Trump message in conservative-leaning districts are centering their closing argument on protecting democracy as they try to buck national trends.
Vulnerable Democrats in competitive districts have leaned into preserving abortion rights as a closing argument for their campaigns, buoyed by internal polls that show it has moved voters their way.
The perception that lawmakers are cashing in on their offices has fueled cynicism among voters. Some politicians want to take the current limits further.