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Exekutive: Staatsoberhaupt: Staatspräsident Barack H. OBAMA (seit dem 20 January 2009); Vice Staatspräsident Joseph R. BIDEN (seit dem 20 January 2009); note - the president is both the Staatsoberhaupt and Regierungschef
Regierungschef: Staatspräsident Barack H. OBAMA (seit dem 20 January 2009); Vice Staatspräsident Joseph R. BIDEN (seit dem 20 January 2009)
cabinet: Cabinet appointed by the president with Senate approval
elections: president and vice president elected on the same ticket by a college of representatives who are elected directly from each state; president and vice president serve four-year terms (eligible for a second term); election last held 4 November 2008 (next to be held on 6 November 2012)
election results: Barack H. OBAMA elected president; percent of popular vote - Barack H. OBAMA 52.4%, John MCCAIN 46.3%, other 1.3%;
Quelle: CIA World Factbook - Version März 11, 2011
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