FILE - In this Tuesday, Dec. 11, 2012 file photo, an advertisement in the classified section of the Boston Herald newspaper calls attention to possible employment opportunities in

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FILE - In this Tuesday, Dec. 11, 2012 file photo, an advertisement in the classified section of the Boston Herald newspaper calls attention to possible employment opportunities in Walpole, Mass. A private survey shows U.S. businesses sharply increased hiring in December, helped by a surge of new construction jobs created to help rebuild from Superstorm Sandy. (AP Photo/Steven Senne, File) less