The Justice Department on Wednesday admitted that the operative indictment against former FBI Director James Comey was never presented to the full grand jury — a procedural error defense attorneys say should bar the prosecution. The admission came under sharp questioning from U.S. District Judge Michael Nachmanoff, after several judges overseeing parts of the case had raised concerns about the government’s presentation and an apparent discrepancy in the grand jury record. Instead of presenting a new indictment to the full panel after it rejected one of the counts, interim U.S. Attorney Lindsey Halligan gave the grand jury’s foreperson an updated...