Wrong again. Brexit was agreed 2 years ago before it the DUP made a phone call to Teresa May and threatened to bring her government down if she went ahead with it. If you want to blame anyone for stopping it cast your anger at them and the ERG group that supported them.
Wish it had been the 'end of'.
Brexit: What can UK learn from other external EU borders?
Technology can streamline EU borders but they are not frictionless.
