To keep Cynthia Weiskopf’s personal-injury case in federal court after removal from the Sangamon County courthouse based on diversity of citizenship, Menard Inc., a Wisconsin corporation, had to prove by a preponderance of the evidence that the amount in controversy exceeded $75,000.Weiskopf alleged she tripped on a pallet in a Menard store, suffering “serious bodily injuries” that “required immediate and ongoing medical treatment and will require medical treatment in the future,” plus &ldquo …