MARTINEZ -- A defense attorney who stepped in to represent convicted murderer Susan Polk at her sentencing stepped down Monday. Defense attorney Charlie Hoehn took Polk's case after her conviction to assist in writing pre-sentencing motions, including a motion for a new trial. A jury convicted Polk in June of second degree murder in the 2002 stabbing death of her husband, Felix Polk. She acted as her own attorney at trial and testified that she killed him in self-defense. On Monday, Brady said a trial transcript will not be available until Polk's appeal. Hoehn had requested a copy of the...