What's the difference? How can people be so inconsistent? Why is it that free immigration was a good thing before 1914 and free immigration is a bad thing today? Well, there is a sense in which that answer is right. There's a sense in which free immigration, in the same sense as we had it before 1914 is not possible today. Why not?
Milton FriedmanEvery friend of freedom... must be as revolted as I am by the prospect of turning the United States into an armed camp, by the vision of jails filled with casual drug users and of an army of enforcers empowered to invade the liberty of citizens on slight evidence.
Milton Friedman