The free movement of people within the EU has been considered a prerequisite for membership until now. I don’t believe it will remain so, I think the EU may need to change this themselves without input from UK. There are elections due in France and Germany coming up and they have significant minorities who are not happy with the arrangement. It may be decided to head off a call for referendum in these countries with a change to controlled movement. There are good reasons for doing this, what happens to country’s that have significant numbers of their young health people leave? Would you want to create economic catastrophe in their home land so we can prosper? At the moment we have put Isaac Newton in the driving seat regards immigration numbers, whether its 100,000 or 1,000,000 makes no difference, the rules say no control. This cannot be sensible economic practice for us or anybody else.