A busload of people did nothing to stop a pack of teen girls from beating a pregnant teenager and her boyfriend despite pleas from the victims that she was carrying a baby. The behavior was caught on the bus' surveillance camera and later helped police in Seattle locate the five attackers. "I'm shocked," said Sgt. John Urquhart of the King County Sheriff's Department. "The video is shocking to look at. "The ferocity, the intensity, the unprovoked nature" is shocking, he said. "But what shocks me most is that these girls thought they could do this on a crowded bus with...