Pedzisa mutsara unotevera: Willis paakatamira kuTexas muna 1948, achangobva kuroora, akashanda pakuronga kwaLyndon B. Johnson mushandirapamwe wake wokutsvaka kuva seneta. Pashure pokunge ashanda senhume kuDemocratic National Convention muna
Muna 1956, 1960, uye 1968, akava shamwari uye chipangamazano waPurezidhendi Johnson.