Oh aye, that'll be their famous joined up thinking at it's best then. What a fucking stupid idea from a fucking stupid party.
This proposal is the sort of shite that we would expect from the weirder outposts of UKIP and illiberal mobs of that ilk. If they stopped for a moment to think about the issue they would drop this lunacy and possibly, if they had the brainpower to work it out, start effectively enforcing the laws which currently exist.
Ditch this cobblers now.