The 2026 midterm cycle is projected to be the most expensive election cycle in US history, with candidates across the board raising money at a record pace. And voters are taking notice: Big-donor groups tied to issues like Israel policy, AI, and crypto have become major flashpoints in primary races in both parties.
Campaign spending alone doesn’t determine elections. The recent Democratic Senate primary in Michigan was the most expensive Democratic congressional primary in terms of outside spending — but ended with Abdul El-Sayed overcoming a major financial disadvantage to win the nomination. In California, billionaire Tom Steyer spent over $200
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