And therein lies the problem. Barr never learned to appreciate the importance of keeping the Justice Dept. independent, to uphold the rule of law and to put country before loyalty to a president. He repeatedly aided the president in punishing his political enemies and rewarding his political friends, which shouldn't happen. Because of it he was unable to save his professional integrity. At some point he realized that Trump had gone too far. By then it was too late. History will not judge him kindly.