Interesting program.
It was about how the UK was forced into holding the referendum by the EU. The EU were against it, their mains fears were if it was lost other countries might follow suit. Also giving the UK any concessions on welfare and migration could mean other countries wanting the same.
All the time you get the impression that nothing should slow down the advancement of a United States of Europe. Not even the people of Europe.
Why would "Contributing" migrants need benefits?
