Tuhia he tohutoro mō tēnei wāhanga - I te tau 1950, ka tīmata ia ki te mahi hei kaiwhakatika o te "Wyoming Labor Journal". I mahi ia hei kaitohutohu mo Laramie County mai i te 1950 ki te 1956. I te tau 1957, i pootihia ia hei tiamana o te Wyoming Democratic Party. I muri mai i taua tau, i tono a Kawana Milward Simpson i tetahi pire mo nga tika tangata i hangaia e Roncalio i muri i tana kitenga i tetahi tokorua pango i peia mai i te wharekai. I mahi hoki ia hei karere ki te 1956
, 1960, 1964, me te 1968 Democratic National Conventions. I te tau 1958, i whakaarohia pea ko ia te kaitono a Attorney General, engari i te Tihema 3, 1958, i kii ia kaore ia e hiahia kia tohua ki te tari.