Gene Maddaus Senior Media WriterSeveral appellate justices said Wednesday that they worried that Harvey Weinstein had been subjected to “overkill” at his criminal trial in New York last year.Weinstein, the disgraced Hollywood producer, is appealing his conviction on charges of sexual assault and third degree rape, which resulted in a sentence of 23 years in prison.At a hearing before the Appellate Division, First Judicial Department, on Wednesday, three of the five justices expressed serious