Michael Cahill, president of Siemens Rail Systems division in the U.S. talks with reporters after the unveiling of Siemens next-generation locomotives at the Siemens rail facility on Monday May 13, ... more 
Michael Cahill, president of Siemens Rail Systems division in the U.S. talks with reporters after the unveiling of Siemens next-generation locomotives at the Siemens rail facility on Monday May 13, 2013 in Sacramento, CA. (John Decker/AP Images for Siemens USA) less 
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Associated Press
Mon, May 13, 2013 5:13 PM EDT