An Indian shopkeeper waits for customers in the eastern Indian city of Kolkata May 6, 2008. Over a billion Asians may sink back into extreme poverty without extra aid to counter soaring food prices, the region's development bank warned on Monday as a battle brewed over who would fund its spending. The call for cash to secure food supplies for Asia -- home to two thirds of the world's poor -- was accompanied by debate on whether developing countries or rapidly expanding nations like China and India should foot the bill. REUTERS/Jayanta Shaw (INDIA)