With Afghanistan chaos, the EU fears new migration crisis. But is that likely?

With the fall of Kabul, the EU has been trying to get its people and Afghan allies out. But the collapse of Afghanistan has also reignited European fears of unregulated migration – setting priorities at odds.

When Yonous Muhammadi fled his native Afghanistan for Greece in 2001, he was able to successfully obtain political asylum. But he doubts that his relatives still back home would prove as fortunate if they managed to escape today.

After the Taliban seized Kabul on Aug. 15, the Greek government was quick to declare it...