If AI makes human labor obsolete, who decides who gets to eat?

Amid talk of artificial intelligence taking our jobs, the big unasked question is: how will we be fed?

How will we be fed? That's the biggest question not seriously being addressed amid all this talk about whether or not artificial intelligence will end up taking over all of our jobs.

Formidable though the technology appears, similar fears have popped up repeatedly since the Industrial Revolution, and most working-age adults remain employed. Still, what is sorely missing is a serious debate about what to do if this future in fact materializes.