Whakaotihia te rerenga e whai ake nei: I neke ia ki te WTOP (i tenei wa ko WUSA) e hono ana ki CBS i Washington, DC, i te 1976. E rua tau i muri mai, ka neke a Mitchell ki te mahi purongo whatunga NBC, i reira ia i mahi ai hei kairipoata whanui. I te tau 1979, i whakaingoatia ia hei kairipoata pūngao NBC News me te ripoata mo te raru pūngao o te mutunga o nga tau 1970 me te
Te tūtukitanga karihi o Three Mile Island. I hipoki hoki a Mitchell i te White House mai i te 1981 tae noa ki te noho hei kairipoata matua o te Kaunihera i te tau 1988.