document unnamed person interview fbi say kennedy contact fbi ask change classification exchange quid pro quo whether clinton send classify email private server could jeopardize national security become key issue ahead u.s. presidential election nov. clinton face republican nominee donald trump.catherine herridge fox news class act tell truth day day truth bomb effort protect hillary clinton fbi release docs show state dept exec want change email classification would benefit dept shield hrc herridge report pic.twitter.com/jmnethormx fox news foxnews october 17 2016 via reuters break state department ask fbi switch clinton classify email unclassified quid pro quo …intent