The Senate midterm election landscape has shifted dramatically just weeks before voting, with traditionally Republican-leaning states like Kansas and Nebraska now considered competitive battlegrounds, according to lawmakers from both parties. The expanding map threatens the GOP’s Senate majority, while Democrats gain ground in New Hampshire. Senators from both sides agree the race has grown far more unpredictable than initially expected. The evolving dynamics could reshape control of the chamber in unexpected ways.


Senators in both parties say the Senate midterm election battleground map has expanded significantly six weeks before Election Day, putting the GOP majority in greater jeopardy. Several solidly Republican-leaning states — including Kansas and Nebraska — are now seen as being in play, the senators say. Democrats can also add New Hampshire to the list...