Canada has no cards to play. We are not going to stop selling them oil when the U.S. is basically the only country Canada exports to (and if Kinder Morgan gets halted there is no other avenue of export so the Canadian energy industry and all the taxes it pays will be gone).  Any Canadian Boeing purchases are rounding errors. Trade with Europe or Asia is not going fill the gap. We have to give to get...so stop protecting Bombardier and the non-competitive dairy industry. It is what it is.