OK, granted, there are no commuter trains running through the RGV, but if there was one rolling down the tracks, and a guy was raping a woman aboard one of the train cars, someone down here surely would have stepped forward to stop the sexual assault or at least have called 911.Up in the Philadelphia area, however, not only did no train passenger intervene in the Oct. 13 rape of a woman on the commuter (the Southeastern Pennsylvania Transportation Authority) train, but some passengers actually used their cell phones to record the assault.According to police investigators, the man charged in ...