

Firehouse Strategies, a Republican firm, partnered with the data analytics team at Optimus to interview 2,486 likely midterm voters in four swing states (Florida, Ohio, Pennsylvania and Wisconsin), and found that "the Mueller investigation is gaining credibility among independent voters."
- The survey finds independents in the states trust Mueller over Trump by 19 points.
- In a February survey by the two firms, swing-state independents picked Mueller over Trump by 4 points.
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