Whakaotihia te rerenga e whai ake nei: I te tau 2007, ka haere ano a O'Malley Dillon ki te mahi mo John Edwards i tana kaupapa perehitini o te tau 2008 hei kaiwhakahaere o te kawanatanga o Iowa, a muri ake nei hei kaiwhakahaere tuarua mo te kaupapa. Whai muri i te whakakorenga o Edwards, ka uru atu ia ki te rōpū o Barack Obama
kaupapa perehitini mō te pōtitanga whānui hei kaiwhakahaere o ngā rohe whawhai. Whai muri i te kowhiringa a Obama, i mahi ia i te whakawhiti perehitini hei kaiwhakahaere o nga kaimahi, katahi ka utua hei kaiwhakahaere whakahaere mo te Democratic National Committee i raro i a Tim Kaine.