Spokesman calls on U.S. to translate commitment into actionNational security bill comes into law on March 23SPP committed to lawUN human development report shows China's great progressXi emphasizes no letup in drive to combat air pollutionBreakthrough laryngeal allotransplantation offers hope to patients in ChinaWashington manipulates freedom of speech, report findsXi congratulates Zardari on Pakistan presidency winUK gov't considers ban on foreign states owning British news mediaWang Yi: Palestine