Tuhia he tomokanga mō tēnei rārangi - I te wā o ngā pōtitanga ā-iwi ā-iwi ā-iwi ā-iwi o te tau 2004, i tautoko ia i te Kaunihera o Massachusetts a John Kerry. I kii a Gantt ko Kerry "he toa pakanga Amerika, he pai ki te whakaputa i tona mahunga mo te maatauranga". I te wā o ngā pōtitanga perehitini ā-iwi ā-iwi o te tau 2008, i tautoko ia i te Kaunihera o New York a Hillary Clinton, ā, i mahi hei māngai māna ki te Democratic National Convention.
He aha? I te wa o te pooti perehitini 2012, i tautoko ia i a Perehitini Barack Obama, i mahi hei karere ki te Democratic National Convention, a, i tae atu ki te whakatuunga tuarua a Obama. I te wa o te 2016 Democratic presidential primaries i tautoko ia i a Hillary Clinton.