Whakaotihia te rerenga e whai ake nei: I te tau 2012, i puta a Karger i runga i nga pooti tuatahi i New Hampshire, Michigan, Puerto Rico, Maryland, California, me Utah. Ko tana whakaaturanga tino kaha i Puerto Rico, i te whiwhinga atu ki te Kaunihera a Ron Paul i roto i nga pooti, a, neke atu i te kotahi ōrau o te katoa. I riro i a ia tana pooti nui rawa atu i tana whenua o California, i wikitoria i te 8,268. I ngā pōtitanga tuatahi o te 26 o Pipiri i Utah, te whakataetae whakamutunga i mua i te
I te huihuinga a-motu o te tau 2012, i mutu a Karger i te tuarima o nga waahi me te 0.25 ōrau, i muri i te Kaikorero o mua o te Whare Newt Gingrich, te Kaunihera o mua a Rick Santorum, a Paora, me te kawana o mua o Massachusetts a Mitt Romney, te kaitono a te Republican i toa me te 93 ōrau o te pooti.