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Mitchell Nollar from ArcelorMittal points out details of a vertical edger used in the processing of steel at the CIVS virtual reality lab at Purdue Calumet. Looking on are students Hannah Amor, Yuanbang Sun and Bin Wu.(AP Photo/The Times,John J. Watkins)

Mitchell Nollar from ArcelorMittal points out details of a vertical edger used in the processing of steel at the CIVS virtual reality lab at Purdue Calumet. Looking on are students Hannah Amor, Yuanbang Sun and Bin Wu.(AP Photo/The Times,John J. Watkins)

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The biggest villains in sports

Ray Rice is just the latest famous athlete to draw the ire of the American public. Sports stars haven’t always acted as role models — both on and off the field.