overcorrected, and rolled over. everyone on board suffered injuries of some kind, and this morning investigators still don't know what exactly caused that accident. and to indianapolis. a school bus carrying 50 students slammed into a railroad bridge, tearing apart the front end of the bus. a 5-year-old girl and the driver both killed, two boys critically injured. others suffered cuts and bruises as well. investigators hope the driver's autopsy might lead to some clues to finding out what caused the accident. >> many times there are no safety belts on school buses, which is even more frightening. well, federal regulators are launching a safety investigation into sticky accelerator pedals in ford sedans. the investigation covers nearly 2 million ford taurus and mercury sables made from 2001 to 2006. now, there could be a defect in the cruise control cable, which holds the throttle open. drivers have had to shut off their cars to stop them. no accidents have been reported as of yet, but there have been more than a dozen complaints. and two giants in the internet business are in the