Can I remind everyone:
Mueller's mandate is to investigate Russian interference into our election system. It is NOT a mandate to find evidence to impeach Trump!
Why does everyone seem to assume that Mueller's investigation will lead to Trump's impeachment?
It's intended to investigate collusion between the Trump admin and Russian actors to influence the election. So far, all we know is that there was Russian interference in the election. We don't know for sure if there was any collusion, but it appears that there's not evidence of it... not yet anyway.
Luckily for the democrats, that doesn't mean they still can't pretend there was and cling to that with white knuckles.
No, it was not created to investigate collusion between between the Trump admin and the Russians. It was created to investigate Russian interference in the election process. That in turn lead to an investigation into contacts between the Trump campaign and the Russians.
So far, only D. Trump Jr. and possible Manforte seem to have any real collusive contacts with the Russians. Cohen was so far not found to have colluded with the Russians - but other pssible illegal action lead to the referal to the N.Y attorney's office.
The rest of the people that have been charged just seem to have freaked out over having met with RUssians - and were stuoid enough to lie about it - thereby perjuring themselves. I think that Mueller should drop those perjury charges as long as they agree to tell the truth.