Tuhia he tohutoro mō tēnei rārangi - I te wā i neke atu ai a Willis ki Texas i te tau 1948, i te wā i marena hou ai, i mahi ia mō te pakanga a Lyndon B. Johnson ki te senate. I muri i tana mahi hei karere ki te Democratic National Convention i te tau 1956
, 1960, me te 1968, ka noho ia hei hoa me te kaitohutohu ki te Perehitini Johnson.