Yes, I knew that. I don't think you can plug all of the holes, nor is that necessarily desirable. It's about making unregulated crossing unattractive and removing the strong economic and legal incentives for coming here. It's not about locking out real asylum seekers, or simply preventing all immigration.

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A border with no holes is one that you can't escape through. There are no guarantees, that we won't one day be the emigrants, after all. That's why I am not enthused about the recent overreaction, against all immigration. That is not a healthy or productive way to think about the cross-border movement of people. Have we all forgotten the DDR?