▁Rab kin . ▁Robert ▁M . ▁Ch es ney , ▁a ▁law ▁professor ▁at ▁the ▁University ▁of ▁Texas ▁at ▁Austin , ▁the ▁author ▁of ▁one ▁of ▁the ▁papers ▁discussed ▁in ▁Brad ford ' s ▁article ▁told ▁The ▁Guardian : ▁" It ' s ▁very ▁hard ▁to ▁take ▁this ▁seriously ▁... ▁except ▁in so far ▁as ▁he ▁may ▁actually ▁be ▁teaching ▁n ons ense ▁like ▁this ▁to ▁cad ets ▁at ▁West ▁Point ." ▁ ▁As ▁a ▁result ▁of ▁this ▁article , ▁and ▁the ▁scr ut iny ▁it ▁generated ▁concerning ▁his ▁credentials , ▁Brad ford ▁res igned ▁from ▁his ▁position ▁as ▁Ass istant ▁Professor ▁at ▁the ▁U . S . ▁Military ▁Academy ▁on ▁August ▁ 3 0 , ▁ 2 0 1 5 ▁after ▁only ▁a ▁month ▁at ▁the ▁institution . ▁ ▁In fl am mat ory ▁comments ▁ ▁In ▁June ▁ 2 0 1 7 , ▁the ▁Washington ▁Post ▁reported ▁that ▁Brad ford ▁had ▁from ▁a ▁now - de leted ▁Twitter ▁account ▁" t weet ed ▁a ▁sle w ▁of ▁dispar aging ▁remarks ▁about ▁the ▁real ▁and ▁imag ined ▁eth nic , ▁religious ▁and ▁gender ▁ident ities ▁of ▁former ▁president ▁Bar ack ▁Ob ama , ▁Facebook ▁co - found er ▁Mark ▁Z ucker berg , ▁TV ▁news ▁host ▁Meg yn ▁Kelly ▁and ▁Japanese ▁Americans ▁during ▁World ▁War ▁II ." ▁Brad ford ▁called ▁Ob ama ▁a ▁" K en yan ▁cre amp uff ", ▁" the ▁Te h ran ▁candidate " ▁and ▁expressed ▁concern ▁that ▁Ob ama ▁would ▁stay ▁in ▁office ▁beyond ▁his ▁term ▁and