 Ahavuye isanamu, AFP Insiguro yisanamu, Biden yari icegera ca Barack Obama kuva mu 2009 gushika mu 2017 Mu gihe yari icegera ca Perezida Obama mu 2009 yarababaje abantu igihe avuga ko bashobora kunanirwa ku rugero rwibice mirongo itatu kwijana mu bijanye nubutunzi. 