Jobs at risk as a robot revolution looms

Management guru Peter Drucker said a good listener also pays attention to what people don't say. So what haven't people heard during the US presidential election campaign this year, especially at the three debates between the two candidates?

Don't laugh. The word I think I didn't hear is "robots". They talked a lot about jobs, but mainly past jobs.

When US politicians told people that the Chinese stole their jobs, many of the export-oriented jobs based in China had already moved to other places in the world.