We will see if Brexit actually happen and if it does will the UK be happy with the result or not
Given that the younger generation was against it and that the result was close there is every possibility they may want it reversed at a latter date.
Same goes with Trump, seems he is more socialist in some ways than some would think.
As for Turnbull, I very much doubt he will get unceremoniously dumped like Abbott did. Aside from Abbott has the delusion that he may get the leadership back, few if any would be prepared to commit political suicide by having a leadership spill
