▁weak ness ▁for ▁drink ing , ▁g amb ling , ▁and ▁car ous ing , ▁and ▁general ▁un fit ness ▁for ▁any ▁position ▁of ▁responsibility . ▁Jack ▁Ben ny ' s ▁broadcast ▁on ▁November ▁ 1 , ▁ 1 9 3 6 , ▁was ▁entitled ▁Doc ▁Ben ny ' s ▁M inst rel ▁Show , ▁in ▁which ▁the ▁entire ▁cast ▁performed ▁a ▁min st rel ▁show ▁in ▁a ▁" black " ▁dialect . ▁They ▁red id ▁Doc ▁Ben ny ' s ▁M inst rel ▁Show ▁on ▁March ▁ 3 , ▁ 1 9 4 2 ; ▁the ▁subsequent ▁performance ▁demonstr ates ▁the ▁pro gression ▁of ▁race ▁relations . ▁ ▁According ▁to ▁Jack ▁Ben ny ' s ▁post hum ous ▁aut obi ography , ▁Sunday ▁N ights ▁at ▁Seven , ▁the ▁tone ▁of ▁ra cial ▁humor ▁surrounding ▁Ro chester ▁decl ined ▁following ▁World ▁War ▁II , ▁once ▁the ▁enorm ity ▁of ▁The ▁Hol oca ust ▁was ▁revealed . ▁After ▁the ▁war , ▁Ben ny ▁and ▁his ▁writers ▁made ▁a ▁conscious ▁effort ▁to ▁remove ▁all ▁s tere ot yp ical ▁aspects ▁from ▁the ▁Ro chester ▁character . ▁The ▁changing ▁times ▁became ▁very ▁apparent ▁in ▁ 1 9 4 8 , ▁when ▁a ▁ 1 9 4 1 ▁script ▁was ▁re - used ▁on ▁The ▁Jack ▁Ben ny ▁Program . ▁The ▁script ▁including ▁several ▁African - American ▁s tere ot ypes ▁— ▁for ▁example , ▁a ▁reference ▁to ▁Ro chester ▁carrying ▁a ▁raz or ▁— ▁and ▁prompt ed ▁some ▁listen ers , ▁who ▁were ▁una ware