( August 5, 2025, 1:17 PM EDT) -- PHILADELPHIA — With instructions to “not underestimate jurors,” the Third Circuit U.S. Court of Appeals agreed that a district court correctly excluded causation testimony from two firearm experts but found that the court erred in awarding summary judgment for a gun manufacturer because “[g]iven the other admissible evidence, a jury is well equipped to figure out what caused this gun to fire.”...