Driver given 30 years for waitress' slaying 07/22/2003By ROBERT THARP / The Dallas Morning News A Dallas County jury ignored Sarah Foust's plea for probation Monday, sentencing the 19-year-old single mother to 30 years in prison in the hit-and-run death of an Irving waitress who was trying to collect an unpaid restaurant bill. Ms. Foust trembled and sobbed as the parents of 20-year-old Jennifer Sanchez addressed her moments after the jury's sentence on the sixth day of her murder trial. The victim's mother, Brenda Sanchez, supported the jury's punishment but told Ms. Foust that her murder conviction amounts to a...