Carl C. Icahn Issues Open Letter to Board of Directors of Navistar International Corporation

NEW YORK, Sept. 9, 2012 /PRNewswire/ -- Carl C. Icahn today issued the following letter to the Board of Directors of Navistar International Corporation (NYSE: NAV): September 9, 2012 Board of DirectorsNavistar International Corporation4201 Winfield Road, P.O. Box 1488Warrenville,...