Since the chances of a grand jury being convened on this hover somewhere between zilch and none then why not release it to the general public? If, of course, there is actually anything to release.
Sessions has only been in office for a few months and Arpaio has just been clears of his legal difficulties and, according to Mike Zullo, is now free to restart the push in the new Trump Administration to PROPERLY investigate Barry’s background information in the federal databases with the possible help instead of obstruction of the Attorney General.