(July 5, 2023, 12:56 PM EDT) -- YOUNGSOWN, Ohio — Plaintiffs who are suing Norfolk Southern Corp. for injuries from toxic chemicals released as part of the train derailment in East Palestine, Ohio, filed a response brief in federal court arguing that Norfolk Southern’s motion to dismiss should be denied because they sufficiently pleaded all their claims and their request for punitive damages. They also say that Norfolk Southern failed to show that the claims are preempted by federal law....