This has nothing to do with Comey, IT IS OBAMA not wanting to be implicated with Hillary. Remember Obama said a couple weeks ago “I have never had a major scandal”, that comment is the key to all this. OBAMA allowed this to be released so Hillary will take the fall.
I see any scandal of hers during his admin is his scandal.
I certainly think this is an element; Obama inserts himself into all scenarios - as a narcissist and as a dictator.
I also think that the corruption is so massive and multifarious at this point that there are multiple players at work in every crisis, not necessarily working together.
(I could easily be wrong.)