Dem Generic Ballot Surge & House Flip Probability
Polling shows Dems up 8-9 points nationally; Emerson D+11 stress test. Prediction markets at 86% Dem House flip. Sabato shifts 14 races toward Dems. New potential flippable seat: OH-07 (Miller scandal). Key data points from multiple sources. Harris's 'too big to rig' framing and Nebraska Medicaid cuts add to Dem closing message. Warnock's 'war vs. hungry kids' framing reinforces budget contrast.
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Updated Aug 2, 2026