Competencies.

Did you know that when David Cameron promises the repatriation of powers from the EU, there is no mechanism in existence by which this can be achieved? There has never been any intent to have anything other than 'the ratchet principle' in operation!
Furthermore, it goes outside the long term aims of the unyielding principle of acquis commaunitaire which dates back to the original Treaty Of Rome.
So. How is he going to do the impossible?
SMOKE & MIRRORS - THAT'S HOW!
TRIVIAL MATTERS WILL BE PRESENTED AS AWESOME TRIUMPHS!