Our government. along with all other nations. must find a way to pressure the Soviet Union and its clients into halting this activity. Until then. prudence dictates that we formulate policies to safeguard populations at risk." Today. while the urgent reality of chemical warfare is obscured in endless political and academic debate. thousands of defenseless men. women and children continue to suffer. On March 25. 1983. at Ban Vina refugee camp on the Mekong River in Thailand. Parade spoke with Tou Xiong. a 25yearold Hmong resistance fighter. Tou has risked his life on numerous occasions to guide members of desperate families across the Laotian mountains in frantic escape from VietnameseSoviet "extinct destruction" campaigns.