I am very grateful to the right hon. Lady for what she says. She raises an important point about Calais. There is no doubt in my mind that the agreement we have is incredibly beneficial. I think it works well for both countries. For Britain, being able to have our border controls in France and deal with people there is something we should be very proud of. We should do everything we can to sustain it. It is part of the European co-operation we have.