A crumpled vehicle is seen between a school bus and a tractor-trailer on Aug. 5, 2010, near Gray Summit, Mo. Federal safety investigators say a 19-year-old driver was texting at the time his pickup truck, two school buses and other vehicles collided in a deadly pileup on an interstate highway in Missouri last year. The National Transportation Safety Board (NTSB) on Tuesday recommended states should ban all driver use of cell phones and other portable electronic devices, except in emergencies. (ASSOCIATED PRESS / Jeff Roberson, file)
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