2026 midterm elections live updates: Latest news, results, and analysis
Shannon O’Brien, the chairwoman of the Montana Democratic Party, announced her resignation on Monday as she simultaneously endorsed an independent candidate over her party’s nominee in the state’s Senate race.

TL;DR
- Shannon O’Brien resigned as chairwoman of the Montana Democratic Party.
- O’Brien endorsed an independent candidate in the state's Senate race.
- Her endorsement was made over the party's own nominee.