Nyorai mberi kweiyi ndima - Asati apinda chikoro chemutemo, Demissie akatanga basa rake rezvematongerwo enyika achishanda pakurwira kwaJohn Kerry musarudzo yemutungamiri wenyika ya2004. Vose vari vaviri vakashanda muIowa uye vakashumira somutungamiriri wavo womunda weGeorgia pane dzimwe nguva mumushandirapamwe. Munguva ya2008 United States sarudzo dzemutungamiri wenyika Demissie akatanga kushanda pakushambadzira kwaHillary Clinton musarudzo dzeDemocratic. Clinton aizokundwa naBarack Obama musarudzo dzokutanga. Mukati mesarudzo huru, akashanda somutungamiriri weOhio anobuda musarudzo yemushandirapamwe waObama
, achibata chinzvimbo ichocho kubva muna Nyamavhuvhu 2008 kusvika pasarudzo dzaNovember.