 Ariko ntivyitezwe ko umushikiranganji wa mbere wUbuyapani asaba imbabazi, ariko araza kuvuga akababaro kiwe gatewe nivyo bitero nkuko prezida Obama yabigize mu kwezi kwa gatanu aho yaja mu gisagara ca Hiroshima, aho Amerika yateye ico gisagara ikoresheje ikibombe ca mbere cubumara mu 1945. 