Pedzisa mutsara unotevera: Kubva muna 1968 kusvika muna 1970 akashanda muUnited States Army. Muna 1972 akasarudzwa kuNebraska Legislature uye akashanda kusvika muna 1976 paakasarudzwa kuti amiririre dunhu rechipiri reNebraska mu95th United States Congress. Akasarudzwazve kuCongress yeUnited States yeChikumi nemakumi mapfumbamwe nematanhatu achishanda kubva muna Ndira 3, 1977 kusvika Ndira 3, 1981. Haana kumhanyira kusarudzwazve muna 1980, achisarudza kutangazve tsika yake muOmaha. Iye muKaturike uye akanga ari mumiriri weNebraska kuDemocratic National Convention ya1980, 2000, uye
Muna 2004. Cavanaugh inhengo yeReFormers Caucus yeNhau Yokutanga.