" 
 :::::::If we use the Huffington Post article, as well as a conservative viewpoint explicitly critical of its motivations, should we remove the USA Today cite as redundant?    
 ::::::::IMHO, I would say no.  In this case, the Huffington Post is part of the story.  Citing USA Today would be a source indicating that the HP is part of the story.  HP is accredited in a number of places as being part of the story.-''' ' "