 Kahise karekare Ahavuye isanamu, Getty Images Insiguro yisanamu, Biden yatanguye kwiyamamariza kuba umukuru wigihugu mu 1987 Biden yagiye agira uruhara canke akagira ico ashikiriza mu bihe bikomeye mu myaka mirongo iheze, kandi ibi bishobora kuba bitaboneka neza muri politike ya kino gihe. 