Maybe witch hunt is the wrong term as I'm sure there are tons of guilty people. Perhaps futility exercises is a better way to say it.
From the Hilary server investigation to the "Russian collusion" claims to the Hunter Biden accusations.
None of which have or will yield anything meaningful with the possible exception of a few scapegoats.
I know it, you know it, they know it. But what would be a credible estimate of the cost of all this to the taxpayer in dollars?
Further, while we are talking about this, what is going on behind the scenes that they prefer we don't know much about? Pre-crime has Just as pointed out, for one. Maybe some more of the spying on Americans we never heard about before Snowden told us? Lost money at the fed? Or double selling gold at the fed? Minor military actions in more places we have no business being? More horrendous waste of money? More influence openly for sale stories?
What are they hiding behind this theater and how much is it costing us?