John Authers, Columnist

The Bigger Inflation Scare Is Emerging World Food

Higher commodity prices raise the prospect of renewed social unrest in developing countries.

A difficult inflationary challenge.

Photographer: NARINDER NANU/AFP/Getty Images

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Commodity prices are much higher than they have been for a while. Inflation in the U.S. is much higher than it has been for a while. How much are these things related, and what do they portend for the future?