Russia sent a number of drones into Poland - the first major incursion into NATO territory that Russia has made in recent times. This provoked NATO forces to shoot down those drones - but the outstanding question is - what's the play? Most likely, it is all about Vladimir Putin poking NATO trying to reveal to the world, and to itself, that President Trump's America will run away if it thinks that Article 5 might be close to being invoked. It's a dangerous game - and one that might well succeed. Let's discuss.