A Chinese human rights lawyer said Wednesday that he was blocked by security authorities from leaving the nation before getting on a plane for Japan to meet his daughter, who has been in critical condition in Tokyo.Tang Jitian, 52, said he was taken away by the authorities during immigration procedures at the airport in China's southeastern Fujian Province. His 25-year-old daughter, who has studied in Japan, has been suffering from tuberculosis since earlier this year.China's immigration control law stipulates that the government can prohibit people who may threaten national security and in…READ FULL ARTICLE