0 0. Did the attorney for the Commonwealth, in his  closing presentation, continuously express his  personal opinions of the evidence so as to deprive  the appellant of a fair trial?   00 0. Did the Commonwealth commit prosecutorial  misconduct in failing to disclose exculpatory  evidence concerning its star witness, failing to  comply with discovery rules, and failing to correct  perjured testimony of the star witness, thus  requiring a new trial?   00 0. Was the Defendant-Appellant denied effective  assistance of counsel when defense counsel  allowed the admittance of hearsay statements  without objection, failed to properly prepare for  trial and conduct an independent defense  investigation, failed to utilize character witness  testimony, and failed to develop and present a  coherent and cogent theory of defense?   0