** COMMERCIAL IMAGE ** In this photo taken by AP Images for Siemens, Siemens plant manager Mark Pringle, left, gives a tour to N.C. Sen. Kay Hagan and Fred Hochberg, chairman of the Export-Import Bank... more 
** COMMERCIAL IMAGE ** In this photo taken by AP Images for Siemens, Siemens plant manager Mark Pringle, left, gives a tour to N.C. Sen. Kay Hagan and Fred Hochberg, chairman of the Export-Import Bank of the United States at the Siemens plant in Charlotte, N.C. on Friday, June 3, 2011 (Nell Redmond/AP Images for Siemens) less 
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Associated Press
Fri, Jun 3, 2011 2:46 PM EDT