Dee ihe na-aga n'ihu maka paragraf a - Ọ kwagara CBS-mmekọrịta WTOP (ugbu a WUSA) na Washington, D.C., na 1976. Afọ abụọ mgbe nke ahụ gasịrị, Mitchell kwagara NBC's network news operation, ebe o jere ozi dị ka onye nnọchi anya izugbe. N'afọ 1979, a họpụtara ya dịka onye ntaakụkọ ike nke NBC News ma kọọ akụkọ banyere nsogbu ike nke afọ 1970 na ihe mberede nuklia nke Three Mile Island
Ọ dị mma. Mitchell dekwara White House site na 1981 ruo mgbe ọ ghọrọ onye isi ndị nnọchiteanya na 1988.