Empty shelves, rationed bread ring alarm bells in Zimbabwe In one of the biggest supermarkets in Harare, Zimbabwe's capital, cooking oil, rice and Coca-Cola are all out of stock while a notice on the bread rack tells shoppers they can only buy one loaf each. A currency crunch and a new tax on electronic transactions has spawned fears that Zimbabwe's wrecked economy is about to endure a fresh bout of chaos. IMAGES AND SOUNDBITES