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