Ku qor sii wadida sadarkani - Intii lagu jiray doorashadii 2002 ee gobolka Wyoming, Karpan wuxuu taageeray Paul Hickey magacaabista Dimuqraadiga. Waxay taageertay Hillary Clinton intii lagu jiray doorashadii madaxtinimada ee 2008 ee Wyoming waxayna u adeegtay ergeyga Clinton ee shirweynaha qaranka ee xisbiga
Waxaad Intii lagu guda jiray doorashadii gobolka Wyoming ee 2010, Karpan wuxuu u adeegay sidii guddoomiye ku xigeenka Leslie Peterson ee ololaha gobolka oo ay weheliyaan Joe Evans. Waxay mar kale taageertay Clinton inta lagu gudajiray doorashadii madaxtinimada ee xisbiga Dimuqraadiga ee 2016. Isla sanadkaas, Karpan wuxuu ahaa gudoomiyaha gobolka ee ololaha Ryan Greene ee Golaha Wakiillada.