The indigenous people are an amalgam of echoes from all the great wars of empire that have troubled the recent American conscience.

We have major problems in disrupted ecosystem flow that the pyramid may not be working so well, that the flow from the base up into it is being blocked and clogged.

A conclusion to the Doha Round of global trade negotiations could constitute part of the medium to long term response to food price crises, by removing many of the restrictions and distortions that have muddied the supply side picture.