‘Fool’s errand’: Why the Exxon Valdez looms large over northern pipeline debate  CTV NewsWhy the disastrous 1989 Exxon Valdez oil spill looms large over northern pipeline debate  CBC‘Fool’s errand’: Why the Exxon Valdez looms large over northern pipeline debate  Winnipeg SunSpills, spies and Tim Hortons boycotts: A look back at the ’fight for Canada’s soul’ over Northern Gateway  Radio-CanadaA look at previous failed pipeline projects in Canada  constructconnect.com