When the Department of Justice announced this month that investigators had pieced together records found in a shredder belonging to the president’s former lawyer Michael Cohen, critics, legal experts, and journalists feverishly speculated about what they might contain. Michael Avenatti, the lawyer for adult film star Stormy Daniels and Cohen's devoted nemesis, tweeted that the shredded documents could be a “huge problem.” MSNBC host Ari Melber devoted a large part of his program in May to the shredded documents and suggested that “something is going down.” Asha Rangappa, a former FBI agent and CNN analyst, tweeted: “This is not going...