Here's the oil spill response capability in Prince William Sound aka Valdez, Alaska (seen it with my own eyes this summer) - http://www.evostc.state.ak.us/index.cfm?FA=facts.response  So put what Canada has  proposed into this equation and you immediately see the piddly response we are putting up. And it's dilbit. And there's 20 more massive tankers a month in a harbour NOT designed for that like Anacortes or Valdez. PLEASE do some homework.