RICHMOND, Va. (AP) -- A rush to purchase $50 used laptops turned into a violent stampede Tuesday, with people getting thrown to the pavement, beaten with a folding chair and nearly driven over. One woman went so far to wet herself rather than surrender her place in line. "This is total, total chaos," said Latoya Jones, 19, who lost one of her flip-flops in the ordeal and later limped around on the sizzling blacktop with one foot bare. More than 1,000 people turned out at the Richmond International Raceway in hopes of getting their hands on one of the 4-year-old...