Correction. Jeff Sessions was AG for 76 days. Rosenstein has been AG for 324 days.
This case is not about the Constitution but about the abuse of the Obama administration's discretionary power not to prosecute. Since it involved DAPA Sessions should have had the case and a summary of the case prepared by his staff in front of him: AND when an improper summary was presented he should have banished those attorneys preparing or approving the summary to the outer reaches of DOJ hell - prosecute fish and game violations among Eskimos in Alaska or something.