Robert Mueller has yet to allege collusion, and Democrats who accuse Trump of being a Kremlin conspirator are silent when his policies escalate tensions with Russia. To date, Mueller’s numerous indictments and voluminous court filings have not accused a single American of collusion with Russia. And, tellingly, prominent media and political voices, who have spent two years raising expectations that Mueller will find collusion, are now quietly moving the goalposts. If this is the most damning evidence that the Democrats’ top Russia investigators can adduce, it is no wonder that the bipartisan Senate Intelligence probe has “uncovered no direct evidence...