It does not matter that the facts, its the seriousness of the charge. Collusion will stand until, either the Democrats fail to regain the House and Senate in November, or gaining both, impeach convict and remove DJT.
The "show me the man and I will find you the crime" principle is alive and well under the auspices of Herr Mueller. Despite what appears to be skulduggery by the DNC , the President is still in peril of impeachment, a proceeding that does not necessarily conform to the rules of criminal justice.