It’s best to find common sense in any negotiation, and that starts with finding common ground.

With President Trump’s supporters and detractors, the common ground is that we need to put the Mueller investigation in the rearview mirror, so he can run and protect the country, while quieting some of the acrimony.

Calling it a “witch hunt,” insisting – over and over and over – that there is no proof of collusion, and blaming it all on “fake news” does nothing to put closure to it. As it enters its second year, it is time to finish up.

By way of comparison, it took almost three years to fully investigate Nixon and Watergate before concluding malfeasance that led to exile for our president and jail terms for several others. In the Clinton era, Special Counsel Kenneth Starr investigated for nearly two years before shutting down, with no indictments to show for it.

On the other hand, in about a year, Mueller is deep into this and has issued indictments in the double digits. We may still see collusion or obstruction of justice charges filed before it's over.

To end this, a “huge” step would be for Trump to answer the bell and testify in front of Mueller’s people. It is that simple, but it isn’t happening because Trump, it appears, has adopted a strategy of deflect and protest.

This doesn’t move towards the closure that all sides say they want.

Mr. President; you protest too much – it’s time to show up to get the “witch hunt” over. It is in your control. If you won’t, you’re basically pleading the Fifth Amendment, playing dodge ball with the truth, and asking justice to wait.

If that is the strategy — stay in the bunker, continue to double- and triple-down with your truth, and batter opponents with insults, keeping your rabid base stirred up and by your side.

If instead, you want this to end, take on a strategy that will accomplish that.

It’s called “transparency,” and it happens only when truth and facts lead the way.

To start with, share your tax returns  with the American people; not the ones being audited, but any that have already been through audits or are not currently in the audit process. That would help prove no collusion with Russia.

Without your tax returns, your constant “believe me, there is no collusion proved” is tempered by the missing word “yet.” It falls on deaf ears, at least outside your base of supporters. Many would join the bandwagon of "enough" if you were to share your tax returns, as all modern presidents have done, and agree to testify in front of Mueller’s people.

Your supporters and lawyers claim privacy and it’s just a bad idea to testify under oath, with penalties for perjury being serious. Your antagonists believe you are hiding something and only the truth can set you free.

Getting to the truth is the crux; how long it takes depends on how thorough the investigation is – most Americans would agree that thorough is good.

In the meantime, implosions continue on several fronts.

Trump’s legal team continues to erode, as Ty Cobb is “retiring.” His new personal lawyer, Rudy Giuliani, is mucking up the works with ill-advised comments about Trump's paying back another personal attorney, Michael Cohen, in regard to Stormy Daniels, before being scolded by Trump as being misinformed.

Trump’s longtime personal doctor, Harold Bornstein, speaks about an office raid, and the taking of Trump’s health records, in February of 2017 by a Trump bodyguard, a Trump lawyer and “one other man,” describing the incident as making him feel “raped, frightened and sad.”

Bornstein also gave the media nuggets about statements he had issued before the election; “If elected, Mr. Trump, I can state unequivocally, will be the healthiest individual ever elected to the presidency.” Turns out that statement, and the campaign’s issuance that Bornstein said “his health is excellent, especially his mental health” were phony; recently telling CNN “He [Trump] dictated that whole letter. I didn’t write that letter.”

All of this leads to one conclusion: we need the Mueller probe to run its course, no matter how long it takes. The truth will be satisfied by allowing facts to dictate how the narrative ends. The strategy of muddying the waters, deflection and whining is tantamount to “thou protest too much.”

Let’s get this over, Mr. President; testify under oath.

“Man can be the most affectionate and altruistic of creatures, yet he’s potentially more vicious than any other. He is the only one who can be persuaded to hate millions of his own kind whom he has never seen and to kill as many as he can lay his hands on in the name of his tribe or his God.”

— Benjamin Spock, pediatrician and author (1903-1998)