Rubuta ci gaba ga wannan sakin layi - Valentine ya yi aiki a majalisar wakilan North Carolina daga 1955 zuwa 1960. Bayan haka, ya kasance mai ba da shawara da mai ba da shawara ga Gwamna Dan K. Moore kuma daga baya ya jagoranci kwamitin zartarwa na Jam'iyyar Democrat ta Arewacin Carolina (1966 <unk> 1968). Ya kasance wakili ne a Babban Taron Kasa na Jam'iyyar Democrat na 1968
Ka yi haƙuri. A shekarar 1982 an zabe shi zuwa Majalisa daga gundumar majalisa ta 2 ta Arewacin Carolina kuma ya yi wa'adi shida a majalisar wakilai. Bai sake tsayawa takara ba a shekarar 1994 kuma ya yi ritaya daga mukamin da aka zaba lokacin da wa'adinsa ya kare a watan Janairun 1995. An ambaci wani ɓangare na US 64 kusa da Nashville don girmama aikinsa na jama'a.