Is rich people's excessive income about to strangle the economy?

There is an economic warning sign which has gone off before every recession going back to the 1960s (and only delivered one false positive). It's called a yield curve inversion — and it just happened on Wednesday. Gulp. Now, this doesn't guarantee a recession, of course. Even going back that far, we're only talking about a sample size of seven. But it certainly suggests there's a decent likelihood of another downturn happening soon. And while there would be many factors behind it if it...