The Daubert gatekeeping obligation applies to all expert testimony, not only scientific evidence, under Federal Rule of Evidence 702.
Expert Evidence
Federal trial judges act as gatekeepers for expert testimony, assessing reliability by reference to testability, peer review, error rate, and general acceptance.
Chevron U.S.A. v NRDC overruled; courts must independently interpret statutes and may not defer to agency interpretations solely because of statutory ambiguity.
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