An interesting can of worms. It may be interesting to see how the Supreme Court interprets the Constitution with respect to jurisdictional rights, however, those issues are likely moot in light of the claims of First Nations, who are within their rights to prevent toxic shipments over unceded territory. 

Throughout this whole process, it will be important to remember that Kinder Morgan and the fossil fuel industry do not speak for Canada and their interests in promoting a toxic and dying industry that imperils the environment are not aligned with the long-term interests of the country.