On Friday, Special Counsel John Durham filed with the D.C. Federal District Court a what should have been a boring conflict of interest motion, but it hid a surprise: The Clinton campaign, through Perkins Coie, spied on Trump both before and after he was president. The following is an plain English-language summary of relevant parts of the motion: Michael Sussman was a partner at Law Firm-1 (i.e., Perkins Coie). He met with the FBI General Counsel (i.e., James Baker), and offered data and “white papers” purporting to show that Trump was communicating covertly with a Russia-based bank (i.e., Alfa-Bank). Mueller,...