Rubuta ci gaba ga wannan sakin layi - Dow an zabe shi zuwa Majalisa a 1964, ya kayar da Katharine St. George mai shekaru 18. An sake zabarsa a shekarar 1966, kuma ya yi aiki daga Janairu 3, 1965, zuwa Janairu 3, 1969, kuma an bayyana shi a matsayin mai adawa da yakin Vietnam. Ya kasance wakili ne a Babban Taron Kasa na Jam'iyyar Democrat na 1968
Ka yi haƙuri. Ya yi nasara ba tare da nasara ba don sake za ~ e zuwa Majalisar Dattijan Amurka a 1968, ya rasa ga Republican Martin B. McKneally. Daga 1968 zuwa 1970, Dow ya yi aiki a kan ma'aikatan Majalisar Dattijan Amurka. A shekara ta 1970, ya ci McKneally kuma ya yi aiki a Majalisa a karo na biyu daga Janairu 3, 1971, har zuwa Janairu 3, 1973.