**FILE** H. Ross Perot, chairman emeritus of Perot Systems, gives a thumbs up Sept. 21, 2009, in Dallas during the annoucement that Dell had acquired Perot Systems for $3.9 billion. (Associated Press/Perot Systems)
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**FILE** H. Ross Perot, chairman emeritus of Perot Systems, gives a thumbs up Sept. 21, 2009, in Dallas during the annoucement that Dell had acquired Perot Systems for $3.9 billion. (Associated Press/Perot Systems)
