justice department deputy solicitor general michael dreeben assist robert mueller slack argue 100 case u.s. supreme court resume worthy join investigation possible coordination trump associate russian officials donald trump good stock aspirin team mueller go business move signal mueller may seek advice complex areas criminal law include constitute obstruction justice issue debate recently former fbi director jam comey testify thursday.dreeben department go-to lawyer criminal justice case highly respect democrats republicans alike due encyclopedic knowledge criminal law accord washington post.dreeben pull investigation work part time mueller continue oversee department criminal appellate case accord justice officials.according former current justice department officials mueller recruitment dreeben probe show serious investigation signal complexities investigation.dreeben think brilliant area expertise michael brilliant knowledgeable federal criminal lawyer america period say walter dellinger law professor duke university school law act solicitor general 1996-1997 term supreme court learn early time act solicitor general point ever think second-guess michael matter federal criminal law know could ever know dellinger say straight shooter hold great esteem fbi lawyers u.s. attorneys offices country dreeben mueller team include jeannie rhee former deputy assistant attorney general partner investigations practice wilmerhale andrew weissmann chief justice department fraud section oversee corruption investigations include probe cheat volkswagen diesel emissions test over.aaaand trump lawyer even spell president kind sad think marc kasowitz trump life-long personal attorney issue statement refute comey testimony problem riddle errors include spell president spell hard.trump good lawyer hire someone effective mueller time feature image via draw angerer/getty image mueller time russia probe get bad trump go hurt