Theresa May plays a familiar part in the farce of border control | Simon Jenkins

Whitehall reorganisation is ministers' favourite blood sport. But frontline staff must be allowed to make their own decisions

Half a million foreigners have apparently entered the UK since 2007 without proper passport checks. Anyone who thinks this posed a major threat to national security is mad. There has been no crime wave, no jihadist uprising, no outbreak of suicide bombing. One wonders what immigration control is for. Yet the words foreigner and border control trigger such hysteria that ...