(Newport, OR)  --  A woman who's accused of throwing her autistic six-year-old son off the Yaquina Bay Bridge in Newport is facing manslaughter and murder charges.  London McCabe's body was pulled from the water late Monday night.  His mother, Jillian McCabe, is scheduled to appear in court again next week, and her bail is set at 750-thousand dollars.  Police say McCabe told them she threw the boy off the bridge.