( September 14, 2026, 12:05 PM EDT) -- NEW YORK — A Second Circuit U.S. Court of Appeals panel “effectively nullified the 2023 amendments” to Federal Rule of Evidence 702 and improperly substituted its judgment for that of a federal trial judge when it revived expert testimony linking prenatal acetaminophen exposure to autism spectrum disorder and attention deficit hyperactivity disorder, the manufacturer of Tylenol and retailers argue in seeking rehearing and/or rehearing en banc....