Jo sends this from UK Rich countries once used gunboats to seize food. Now they use trade deals.
From SciDev.net Capitalism could counter its impact on obesity, a response to Obesity researchers must understand how capitalism works. Solution seems to be probiotics, like yogurt.
Andrew Leonard links to interesting articles on soil management in Peak Dirt, the 'terra petra' mentioned there seems similar to 'pati matti' in Andhra.