0 1 - 2 0 0 3 . ▁He ▁served ▁as ▁the ▁first ▁Deput y ▁Ass istant ▁Secretary ▁of ▁Def ense ▁for ▁D eta ine e ▁Affairs ▁in ▁ 2 0 0 4 ▁and ▁ 2 0 0 5 . ▁W ax man ▁moved ▁from ▁the ▁Department ▁of ▁Def ense ▁to ▁the ▁Department ▁of ▁State ▁in ▁December ▁ 2 0 0 5 , ▁serving ▁there ▁under ▁Secretary ▁of ▁State ▁Cond ole ez za ▁R ice ▁until ▁ 2 0 0 7 . ▁ ▁Later ▁career ▁W ax man ▁accepted ▁a ▁position ▁as ▁a ▁Professor ▁of ▁Law ▁at ▁Columbia ▁Law ▁School ▁in ▁ 2 0 0 7 . ▁ ▁W ax man ▁currently ▁serves ▁as ▁the ▁Liv iu ▁Lib res cu ▁Professor ▁of ▁Law ▁and ▁fac ulty ▁chair ▁of ▁the ▁Roger ▁H ert og ▁Program ▁on ▁Law ▁and ▁National ▁Security . ▁ ▁On ▁August ▁ 2 8 , ▁ 2 0 1 0 , ▁W ax man ▁was ▁quoted ▁by ▁Charlie ▁Sav age ▁on ▁the ▁front ▁page ▁of ▁the ▁New ▁York ▁Times ▁critic izing ▁the ▁Bar ack ▁Ob ama ▁Pres iden cy ▁for ▁choosing ▁to ▁pro sec ute ▁Canadian ▁O mar ▁Kh adr ▁who ▁was ▁only ▁ 1 5 ▁years ▁old ▁when ▁he ▁was ▁captured . ▁ ▁In ▁early ▁ 2 0 1 2 , ▁as ▁the ▁Ob ama ▁administration ▁prepared ▁to ▁try ▁K hal id ▁She ikh ▁Moh ammed ▁at ▁Gu ant an amo ▁Bay ▁det ention ▁camp , ▁W ax man ▁said ▁on ▁N PR ▁it ▁would ▁" be ▁a ▁big ▁year