http://www.radio4all.net/program/63023Podcast for Program: Food prices driven up by speculationTue, 18 Sep 2012 20:04:06 +0000240http://www.radio4all.net/program/63023Large food companies say that steep increases in the price of staple foods are the result of natural causes like drought. A new report says commodity trading is the culprit. Sophia Murphy is one of the authors of Cereal Secrets. She is a senior consultant at the Institute for Agriculture and Trade Policy in Minnesota.Redeye CollectiveTue, 18 Sep 2012 20:04:06 +0000