Southern Africa: Food shortages worsen

The UN deputy humanitarian chief says food shortages are 'a chronic problem' in southern Africa. More than 5.5 million people in eight countries need aid this year, a 40% increase compared to 2011, said Catherine Bragg. Bragg, winding up a five-day southern Africa trip over the weekend, said worsening food shortages are the result of drought or floods and rising world food prices.