Of course present levels aren't sustainable, but that hasn't been the drift of the thread, which seems to be whether immigration is the prime cause for a whole set od social ills.

    Quite what kind of policy would need to be put in place has not really been dicussed either, given eu rules, economic need in the Uk etc, though there does seem to be some simploistic thinking about just pulling up the drawbridge, without any real consideration of how that would be done, and what wider, unforseen consequences this might have.