The US has 5% of the world's population, but almost 25% of its prison population. Almost half of its inmates are serving time for drug-related offences, a legacy of the five decades' long war on drugs. The Attorney General Eric Holder said ________________________ criminality and incarceration. Gunmen in Nigeria have killed at least 44 people at a mosque in the north-east of the country. Will Ross in Lagos has the details. 美国只拥有世界5%的人口,但却有世界25%的服刑人员.几乎半数的囚犯是因毒品相关的犯罪而服刑,这是美国半个世纪以来为打击毒品犯罪而进行的长期斗争产生的遗留问题.司法部长埃里克.厚德声称________________________犯罪和监禁的恶性循环中. 尼日利亚持枪歹徒在该国东北地区的一所清真寺持枪袭击,造成至少44人死亡.威尔.罗斯为您带来详细报道.