Kammala jumla mai zuwa: Tare da Curtis Gans a 1967, kuma daga baya wannan kaka ya haɗu da Midge Miller na Wisconsin, Lowenstein ya fara motsi na "Dump Johnson", yana kusantar Sanata Robert F. Kennedy kuma, a kan shawarar Kennedy, George McGovern game da kalubalantar Shugaba Johnson a cikin 1968 Democratic primaries. Lokacin da Kennedy da kuma McGovern biyu ki, Lowenstein, a wakilin da
Taron kasa na Jam'iyyar Democrat, wanda aka dauka kuma ya yi aiki ga Eugene McCarthy, wanda ya kasance mai aminci ga takararsa, ko da bayan shigar da Kennedy a cikin tseren (kafin Johnson ya yi watsi da shi). Janyewar Johnson daga tsarin nadin shugaban kasa an danganta shi da tasirin motsi na "Dump Johnson", wanda ya kai ga tarihin tarihin McCarthy mai karfi a kan Johnson a cikin New Hampshire na farko.