Pennsylvania State Representative Dwight Evans is bringing grocery stores back to inner city areas.
In the past three years, increased food costs have pushed 400 million into the ranks of the world's poorest.
'The Takeaway' looks at the food chain and how rising prices affect farmers, distributors and consumers.
From 'Living on Earth' -- some agriculture experts say demand for ethanol is to blame for the global food crisis.
'The World' reports on a new United Nations task force created to tackle the global food crisis.
TV personality Andrew Zimmerman and others speak about foods forbidden for disparate reasons.