Stone's accusation, Trump's greatest political advisor, reoriented the focus on whether Trump and his team crossed legal and ethical lines in an effort to defeat Hillary Clinton in one election that presented a simultaneous Russian intrusion operation.
The key question for Mueller has always been if there was a criminal conspiracy of members of the Trump team to cooperate with the Moscow bid to make it President.
Until now, he has not offered any evidence of this bombing finding, in a forest of charges, legal proceedings, a judgment and convictions of people around the president in a probe that seems to be closer to the Oval Office.
If Mueller establishes such a behavior, he would answer the disconcerting question: why are there so many people around Trump at an important cost for themselves, sometimes he lied about the bonds with the Russians?
Or, it's conceivable: if the special lawyer could conclude that, even though there was evidence of a concealment, he was not motivated by a desire to conceal a crime, but it meant saving the Shame policy of non-critical links to Russia?
But even if that is the case, the voluminous presentations of Mueller and other information publicly available have established a pattern of Trump behavior and helpers who failed in behavioral regulations during the campaign season and showed a lack of clear respect for the integrity of a presidential election. the weave of American democracy.
He is likely to fall into the house led by Democrats to consider whether this activity is not ethical and in conflict with US values, which is worth more – potentially even impeachment.
A record of questionable electoral elections
There is no doubt that the Trump team was prepared to win ends in 2016.
This made it possible for Trump not only to have lied when he told Americans that he had no business relationship with Russia, but instead saw his campaign, a form of public confidence when he had been promoting the interests of America, as a way of Engraze the wheels to an agreement worth hundreds of millions of dollars.
The episode arose from an incessant campaign presented this month by Manafort lawyers. It is not known whether the Uber lobbyist was acting alone, possibly in an attempt to shut up information for the Ukrainian oligarchs who were in debt.
There was an immediate speculation that Manafort acted at the request of other campaign operators and that polling data could have helped the targeting of misinformation campaigns on social networks in the swing states key of Russian intelligence. Mueller alleges in a separate accusation that a troll farm linked to the Kremlin spent millions to influence Americans on social networks, although the charges did not describe any coordination with the Trump team.
Trump often showed contempt for accepted behavioral standards in campaigns. For example, the Republican candidate then asked Russia to find 30,000 missing emails from the private server that Hillary Clinton used while the state secretary.
However, candidate Trump repeatedly pointed to WikiLeaks for emails that hurt the Clinton campaign from the stump.
Less than one hour later, Wikileaks launched a new batch of emails that seemed to have been designed to make an October surprise surprise that threatened to slow down the entire Trump campaign.
Stone pleaded not guilty to the courts Tuesday to seven criminal charges of false statements, testimonies of manipulation and obstruction.
He was not charged with conspiracy, although the accusation described how Stone presumably coordinated with the Trump campaign officers about their disclosure to WikiLeaks.
In an intriguing passage, Mueller alleged that "after publishing emails on July 22, 2016 of the Code of the Stolen National Commission (WikiLeaks), he addressed an officer of the Trump campaign to communicate with STONE on any additional release and what other harmful information (WikiLeaks) was about the Clinton campaign. "
The sentence generated speculation as to whether the person who gave this address was Trump, or a member of his family. Even if it were Trump, it would not necessarily be a crime sign, but it could put you in danger if you asked for WikiLeaks information that you knew was obtained illegally.
Stone is a signal of intermittent warning
Even without clarity as to whether the president directed the Stone activity, his presence close to Trump during the 2016 campaign is causing a suspicious light on the strategy that the president was pursuing to win.
Stone is a link between the Watergate storm, when he worked for the famous band of dirty tricks of President Richard Nixon, and Russia intrigued-potentially the biggest scandal in Washington from which the 37th president fell.
"Stone will do anything to win," said Julian Nelson, professor of history at the University of Princeton at CNN. "I think many Republicans are going to see again in the news right now, literally by flashing the signs of Nixon and people are making this comparison between President Trump and President Nixon."
If Mueller does not establish the activity during 2016 he adds to a criminal conspiracy, Congress will have to decide whether to act in defense of the American electoral system. If it does, it would not be the first time, and legislators could look into history to guide them.
If Congress decides that Trump is guilty of a similar offense, with or without a recommendation from Mueller, it must know whether it meets the rule of a high crime and minor offense, the standard for the challenge
Probably, at this point, it will be debated if the existence of a crime prior to the election of a president requires the final sanction against a commander in chief.
After all, Nixon was already in office when the men of the president proposed marking the integrity of the 1972 elections.
Corey Brettschneider, author of the recent book "Oath and Trade: A Guide to the Constitution for future presidents," says a candidate who undermines the election can not be taken seriously when later sworn to defend the constitutional system .
"Certainly deceiving an election or committing illegal acts to influence an election not only detracts from the integrity of the future president, but represents an existential threat to democracy, especially when it comes to hosting a government foreigner, "said Brettschneider.
"If Trump deceived the way to become president, he swore his oath to defend the basic law that underlies our system of self-government," he said.
CNN Marshall Cohen contributed to this report.