The scope and pace of migration are a fair topic for debate, and, indeed, an unavoidable one. While it is morally repulsive to vilify newcomers as a group, countries have legitimate grounds to worry about their capacity to absorb large numbers of immigrants. This is particularly the case when most of the visitors are unlikely to return home soon and many already have family members lined up to join them. European leaders have reason to worry about the ability of recent arrivals to integrate themselves successfully into their adopted countries, qualify for jobs, and contribute to their
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