Protests and Petitions

朱令案请愿签名突破十万 白宫或须回应 (100,000 Chinese Americans Petition White House to Investigate 1990s Poisoning Case)
British Broadcasting Corporation, May 06, 2013
http://www.bbc.co.uk/zhongwen/simp/china/2013/05/130506_zhuling_white_house_petition.shtml