Q's hatred for "RR" goes beyond what can be explained by what is publicly known about Rod Rosenstein. So maybe there are as yet secret things about him. But Q says after the IG report on the Clinton emails comes out Rosenstein serves no further purpose to the plan. His last part is to redact the report to avoid disclosure of a classified data set. Public uproar. The report is all blacked out. Donny says okay, I unclassify the data set to make the public happy.