The thing to bear in mind is that the White House does not do investigations. Not criminal investigations, not intelligence investigations. Remember that. Why is that so important in the context of explosive revelations that Susan Rice, President Obama’s national-security adviser, confidant, and chief dissembler, called for the “unmasking” of Trump campaign and transition officials whose identities and communications were captured in the collection of U.S. intelligence on foreign targets? Because we’ve been told for weeks that any unmasking of people in Trump’s circle that may have occurred had two innocent explanations: (1) the FBI’s investigation of Russian meddling in the election and (2) the need to know, for purposes of understanding the communications of foreign intelligence targets,…