The science fiction world has a lot of people doing seriously imaginative thinking.

The French, unfortunately, actually believe what they say, and that has been very destructive.

If you want a simple model for predicting the unemployment rate in the United States over the next few years, here it is: It will be what Greenspan wants it to be, plus or minus a random error reflecting the fact that he is not quite God.

Are you, or is someone you know, a gadget freak? If so, you doubtless know that Wednesday was iPhone 5 day, the day Apple unveiled its latest way for people to avoid actually speaking to or even looking at whoever they're with.

Yes, over the centuries economic progress has reduced some gross disparities - modern Americans are relatively unlikely to simply starve to death (though it can happen), so in that sense the gap between rich and poor has narrowed. But the question isn't whether society is, in some sense, more equal than it was in 1900. It's whether it is radically more unequal than it was in 1970. And of course it is.

The economic expansion that began in 2001, while it has been great for corporate profits, has yet to produce any significant gains for ordinary working Americans. And now it looks as if it never will.

For most Americans, economic growth is a spectator sport.