 Ahavuye isanamu, Getty Images Insiguro yisanamu, Igihe cyawe cya kabiri cyo guhanga udushya twinshi kizagera uri mu kigero cyimyaka ya za 50 yamavuko Porofeseri Weinberg wakoze ubu bushakashatsi agira ati: Ubu bushakashatsi bugaragaza rwose ko hari abantu bahanga udushya dukomeye bakabikora neza cyane mu myaka yabo yubukure. 