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 ==Copyright issues== 
 Copyright issues entered this article at least with this edit, which introduced for example the following content: 

 The source says: 

  
 Direct copy-paste is marked in bold and constitutes the entire end of this passage; the beginning part is closely paraphrased. 

 I have not checked to see if other sources have been copied. As I come to this from a copyright problems board listing for an article created by this user, it might be a good idea if efforts are made to salvage this material. Otherwise, it may be necessary to revert to this version. before the influx of this content.   "