Tale of Two Tragedies

The British Government cannot cap non-European Union migration to the UK any more than BP can cap that wretched leak in the Gulf of Mexico.
What it could do - if it had the will - is restrict foreigners who come to the UK on a temporary basis from becoming permanent residents.
The obvious means by which single people achieve this is by finding someone to marry.
It is primarily young men who have the urge to explore and to occupy other peoples' territory.
For years people from Afghanistan to Zimbabwe (and elsewhere) have been flocking to Calais (sans papiers but with much determination) and other Channel ports so as to live in Britain. They are all young men and boys.....
Women's role is vital - men and women are "Each useless without the other" ("Hiawatha") - but it is natural for women to be homemakers, rather than enablers of young men's predatory ambitions.
England and Wales were occupied by the Romans for 367 years. The Roman legions withdrew 1,600 years ago, in 410 AD.
The present occupation of these islands by young men from outside the EU is a cause of much unhappiness.
Forget that particular cap.
Plug the leaks.
Both of 'em.