Tuhia he haere tonu mo tenei waahanga - 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 hui ā-motu o 2012
I te mutunga o te pōtitanga, i noho a Karger i te wāhi tuarima me te 0.25 ōrau, i muri i te Kaikauwhau 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 pōti.