but, the keystone bit. yeah. i just said that.
canada is now credibly threatening to increase exports to china, so trump is trying to reroute south with the keystone. america needs to control the supply of oil. obama would have been pressured to do the same thing. and, note that trudeau's announcement was timed carefully to be between the election and inauguration, too.
you should always be suspicious when capital claims environmental reasons for policies, especially when they have geopolitical implications.