Power akapedza makore 2005 kusvika 2006 achishanda muhofisi yemuSenator weAmerica, Barack Obama, semushandi anoona nezvematongerwo enyika ekunze, kwaakanzi ndiye akaita kuti Obama afarire nyaya yeDarfur. Akashanda semupi wezano wepamusoro wezvekunze mushandirapamwe waObama wegore ra2008
, asi akasiya basa panguva yesarudzo dzokutanga. Muna 2009 Mutungamiri Obama akamugadza pachinzvimbo paNational Security Council uye muna 2013 akamugadza seMumiriri weUS kuUnited Nations, chinzvimbo chehurumende.