CLEVELAND, Sept. 13, 2012 /CNW/ - Cliffs Natural Resources Inc. (NYSE: CLF) (Paris: CLF) today announced executive management appointments effective Oct. 1, 2012. (Logo: http://photos.prnewswire.com/prnh/20101104/CLIFFSLOGO )Joseph Carrabba, Cliffs' chairman, president and chief executive officer, said, "I believe these changes reposition our
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