Canada: Stall Line 5 shutdown due to treaty discussions with U.S.

… of international oil pipelines. Canada has started discussions … quot; the Canadian amicus brief said. 
Canadian officials have … international processes for reconciling Canadian interests with U.S … 12 Native American tribes and 17 attorneys general. 
Canada in …… of international oil pipelines. Canada has started discussions … quot; the Canadian amicus brief said. 
Canadian officials have … international processes for reconciling Canadian interests with U.S … 12 Native American tribes and 17 attorneys general. 
Canada in …