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?

Nobody spends somebody else's money as carefully as he spends his own.

So long as large sums of money are involved - and they are bound to be if drugs are illegal - it is literally impossible to stop the traffic, or even to make a serious reduction in its scope.

If instead of looking at income, you look at levels of consumption, if anything that's become more equal. The fraction of families that have a dishwasher, that have a sewing machine, that have a television set. In respect to consumption, it's very hard to avoid the view that people have been getting more equal rather than more unequal.

The way you solve things is by making it politically profitable for the wrong people to do the right thing.

The invisible hand in politics operates in the opposite direction to the invisible hand in the market.

The argument for collectivism is simple; free market is not.