The staggering cost of winning a Senate seat in 2026Source: AdImpact, Census.gov Note: AdImpact data includes dollars spent on video advertisements on broadcast, cable and social media as well as spending estimates on streaming platforms. Chart: Stef Kight/Axios Every voting-age Mainer could get a $167 voucher for home heating oil with what Democrats and Republicans are spending on ads in the Senate race,…Axios9d agoWhole story →EconomyGovernmentsenate election spending