What is the Nature of the Relationship Between Sinopec and the Harper Government?

Listen to Terry Glavin talk about the 180 degree turn in conservative policy that has Canada’s government in lockstep with Chinese government interests after their initially cool non-relations with Beijing.  Why would this government steamroller their own citizens’ opposition to get bitumen to China when their original policy stated that they would never to ship bitumen offshore?

Listen to part three of the CBC interview: