1961- 1989- 2009-2017 abgeordneter africanamericanstudies americangovernment barack biography congress conservatism conservatisme derecha(política) discrimination ethnicstudies general government house izquierda(política) legislators minoritystudies national nonfiction obama partidosrepublicanos politicalculture politicalscience politics politicsandgovernment politik politiqueetgouvernement politischekultur politischerede políticaygobierno racerelations rassendiskriminierung republicanism rightandleft(politicalscience) schwarze socialscience sociology tea-party-bewegung teaparty(mouvement) teapartymovement unitedstates usa usacongress