Pedzisa mutsara unotevera:
mushandirapamwe wapurezidhendi muna March 2007 somutungamiriri wezvekukurukurirana kwaObama muIowa. Mushure mekukunda kwaObama muIowa caucus, Earnest akashanda semubatsiri wepamusoro wekutaurirana mumakwikwi akati wandei anosanganisira South Carolina, Texas nePennsylvania. Munguva yesarudzo huru dza2008, Earnest akashanda semutevedzeri wemutungamiriri wekutaurirana mushandirapamwe. Pashure pokunge Obama asarudzwa kuva purezidhendi, Earnest akatamira kuWashington, D.C. uye akashanda somutungamiriri wezvekukurukurirana kwekomiti inotora chigaro chepurezidhendi.