An Afghan teenager who lost both legs in a clus-ter bomb explosion helped persuade his country to change its stance and join nearly 100 nations in signing a treaty Dec. 4 banning the disputed weapons.

• 在一名因子母弹爆炸而痛失双腿的青少年协助劝说下，阿富汗终于改变立场，加入将近另外100个国家，于12月4日签署有争议的禁止子母弹公约。