In a netotiation
Both sides have needs, wants and goals and things they can trade to meet those needs, wants and goals.
Obviously different people see the UK position differently.
But if it's a case of no trade deal without the free movement of EU nationals then a trade deal is f**ked.
And just a note. 1/2 the UK influx is not from Europe. It's from India, Pakistan and the Middle East, places the Home office has full control over the entry from.
If it chose to exercise those controls of course.
Biting the hand that feeds IT
