PHILADELPHIA -- A teenager riding SEPTA home from school said Wednesday she was attacked by a group of teenage girls over french fries, and wanted to thank the good Samaritan she said stopped the beating. The 16-year-old girl, who was not identified, told NBC 10 News she knew others had been attacked on SEPTA, but said she had no idea she would be the next victim. "It was just astonishing to me that many girls would come after just the three of us," she said. "I didn't think that was possible that me and my friends would be jumped on...