Why are so many Senate battlegrounds running on out-of-state money?

  Campaign fundraising in the 2026 Senate battlegrounds has become overwhelmingly nationalized, leaving most high-stakes candidates far more reliant on out-of-state donors than the voters they hope to represent. Continuing a decades-long retreat from locally sourced campaign money, an OpenSecrets analysis of 17 candidates across nine key battleground states shows that two-thirds of the $289