In late July, the Justice Department refused a request from the Senate Judiciary Committee — a bipartisan, joint request from Chairman Charles Grassley and Ranking Democrat Dianne Feinstein — to make two top FBI officials available for an interview in the committee's investigation of the Trump dossier and other matters related to the Trump-Russia affair. Citing the Mueller special prosecutor investigation, Justice stated "confidentiality" and the "sensitivity of information relating to pending matters" made it impossible for the two officials, Carl Ghattas and James Rybicki, to talk to the Senate committee that oversees the FBI. Grassley and Feinstein are still...