The Justice Department (DOJ) this week released a part of a legal memorandum that assisted then-Attorney General William Barr in his decision on whether to prosecute then-President Donald Trump for obstruction of justice during the Mueller special counsel investigation. At issue in this case was whether the department could keep portions of a March 24, 2019, internal memo hidden from the public using an exemption to the Freedom of Information Act. The federal court ordered that the memo was to be disclosed in full to the public. The DOJ has since partially appealed U.S. District Judge Amy Berman Jackson’s decision but also released the first page and one section of the disputed legal memo. The department said it would continue its efforts to keep the remainder of the document redacted. The newly unredacted part of the memo shows how top officials at the department’s Office of Legal Counsel made the argument in favor of …