This article is a good introduction to some of the food security and production issues even in Kenya, a country which can produce a lot of food.
IRIN report: Experts voice food security concerns
As we find many places, the biggest challenges are people related: political goodwill, challenges in management and planning, lack of trust in farmers’ organizations. Infrastructure and distribution are also significant issues. So who and how to address these issues? The answers really have to come from within.