Aaron Blake: “A big question has been how much Harris’s momentum might filter down to other Democrats this election year — particularly with both the House and Senate very much in play. It wasn’t guaranteed it would help, especially given that Senate Democrats were already overperforming Biden.”
“Well, we got a big new set of Senate polls from the Cook Political Report on Thursday, and they suggest the Democrats got a significant bump there, too.”
“Democrats improved their margins by an average of four points across five key Senate races: Arizona, Michigan, Nevada, Pennsylvania and Wisconsin. They now lead in each race by at least seven points.”
NBC News: New senate polls show gains for most Democrats in battleground states.
