Canada is having a wildfire problem - a huge wildfire problem right now. In the past, it has collaborated with its southern neighbour over such moments - a reciprocal arrangement that has had lots of activation in recent years. But this time it's different. This time President Trump is seeing the large amount of unpleasant smoke making its way across the border and afflicting US cities, and using that to renew his economic threats and to mutter once again about the '51st State'. Obviously, it's not really about air pollution. Let's discuss.