Faatumu le fuaiupu lenei: I le taimi o le palota a le kovana i Wyoming i le 2002, na lagolagoina ai e Karpan ia Paul Hickey mo le sui tauva a le Democratic Party. Na ia lagolagoina Hillary Clinton i le taimi o le 2008 Wyoming Democratic presidential caucuses ma sa avea o se sui o Clinton i le pati a le pati
tauaofiaga a le atunuu. I le taimi o le 2010 Wyoming gubernatorial palota, sa avea Karpan ma taitaifono o Leslie Peterson's gubernatorial campaign faatasi ai ma Joe Evans. Na ia toe lagolagoina foi Clinton i le 2016 Democratic presidential primaries. I le tausaga lava lea e tasi, sa avea ai Karpan ma taitaifono a le setete o le Ryan Greene's House of Representatives campaign.