 Biden yashyizeho umuyobozi wa White House Kwanga kwemera ko yatsinzwe biteye isoni Biden Nyuma yo kwifata, Ubushinwa bwashimiye Biden ku ntsinzi Agaragara nkuwigunze, habuze gato ngo Perezida Trump yemere ko yatsinzwe, mu ijambo rya mbere yavuze kuva ibitangazamakuru byo muri Amerika byagaragaza ko yatsinzwe amatora. 