This artice discusses Canadian protests at a pending US law which would potentially affect the ability of US entities to purchase certain types of Canadian energy resources. See http://www.ft.com/cms/s/0/3310a3d0-ee0d-11dc-a5c1-0000779fd2ac,noOfParas=2,emailFormat=plainText,storyType=ultralight,dwp_uuid=b491af84-d311-11db-829f-000b5df10621,print=no,_i_email=y.html