Policymakers Grapple with Immigration's Complex Impacts
• Governments worldwide face a bigger issue than the economy - uncontrolled immigration and its impacts
• High immigration is fueling the populist right and threatening centrist parties across the West
• UK's focus on illegal immigration ignores the larger issue of huge numbers of legal migrants
• Unsustainable growth in foreign students in the UK is being driven by lax post-study work rules
• Policymakers face tough tradeoffs between open borders and pressures on public services and national identity