It's hard to put on a convincing performance of banning immigration, as the UK's New Labour discovered. In the years leading up to the 2010 election, Labour - under Blair and then Brown - made a big show of "cracking down on immigration." At one point, Home Secretary Jacqui Smith announced that she was axing *dozens* of UK visa categories, while carefully not mentioning these were so niche that hardly anyone qualified for them.
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