The thread that runs through the matters Robert Mueller is examining is the band of reprobates and marginal characters who gathered around the chief reprobate, Donald Trump, in his 2016 campaign.

The thread that runs through the matters Mr. Mueller is ignoring concerns the actions of official agencies, the FBI and CIA. The press has averted its eyes because it considers these matters a pro-Trump story, though the media could salve its biases by noticing the possibility that these blundering agencies helped elect Mr. Trump.

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