<prompt> Bhala okuqhubekayo kwalesi sigaba - Wathuthela e-CBS-affiliate WTOP manje eyi-WUSA eWashington, D.C., ngo-1976. Eminyakeni emibili kamuva, uMitchell wathuthela ekusebenzeni kwezindaba zenethiwekhi ye-NBC, lapho asebenza khona njengombhali jikelele. Ngo-1979, waqanjwa njengombhali wamandla we-NBC News futhi wabika ngenkinga yamandla ngasekupheleni kweminyaka yama-1970 kanye nenhlekelele yenuzi yaseThree Mile Island  <response>: . futhi. UMitchell wabuye wahlanganisa iWhite House kusukela ngo-1981 kwaze kwaba yilapho eba umlobeli omkhulu weCongress ngo-1988. 