Man on train sits by window, throwing out bits of paper. Second man says: “Excuse me, why are you doing that?” First man: “To keep the tigers away.” Second man: “What tigers? I see no tigers.” First man: “There you are, it works.” This may be what government policy on immigration boils down to. Britain is bracing itself for the arrival of tens of thousands of Bulgarians and Romanians, bent on stealing British jobs and claiming British unemployment benefit while clogging up British hospital wards. From the New Year, transitional restrictions on the movement of labour from the EU’s two latest members expire. This dire scenario almost certainly won’t happen. They are not coming. For which the Government has, like the man on the trai