China's critics and allies have 45 seconds each to speak in latest U.N. review of its human rights

China faces international scrutiny Tuesday over domestic polices in places like Hong Kong, Tibet and the western Xinjiang region as the global power receives its latest U.N.-backed review of its human rights record. An extraordinarily high number of more than 160 countries - some critics of Beijing, some allies - have registered to take part in a discussion around China's rights record. That means each will have no longer than 45 seconds to speak. China, whose delegation will be led by its top ambassador in Geneva, Chen Xu, can field a delegation that has up to 70 minutes to make…