Susan Collins (R-ME) is up for reelection in 2026. Which Democrat will face her? (Feel free to suggest additions, though I'll only add people who I subjectively think have a >2% chance of winning.) Update 2026-06-04 (PST) (AI summary of creator comment): This market will resolve based on whoever appears on the November ballot, not the primary election result. This accounts for potential candidate replacements after the July deadline. Update 2026-06-04 (PST) (AI summary of creator comment): This market will resolve based on whoever appears on the November ballot as the Democratic nominee, not necessarily the primary election winner. If a candidate wins the primary but withdraws and is replaced, the market resolves based on who is actually on the November ballot.