Australian Broadcasting Corporation: Basic access to food is slipping out of reach for many people in developing countries. The cost of the rice has risen by more than three-quarters in two months and the price of wheat has more than doubled in the same time. The desperation in dozens of countries has turned deadly of late. In the past week alone there have been violent, food-related riots in Haiti, Indonesia, the Philippines and Cameroon. World Vision Australia head Tim Costello says the situation is …