Ibirego bishinjwa Joe Biden n'umuhungu we birangajwe imbere na Bwana Trump n'umunyamategeko we Rudy Giuliani, wahoze ari umukuru w'umujyi wa New York, bishingiye ku kuba uwo Bwana Biden wahoze ari visi-perezida yarashoboye kweguza Viktor Shokin wari umushinjacyaha mukuru wa Ukraine, mu mwaka wa 2016.
