Fresh from their Nutrition Summit demand for new taxes on snacks, sodas and high-calorie foods, the Center for Science in the Public Interest is now fighting the repeal of Washington D.C.’s unpopular and confusing retail sales tax on snacks and soft drinks. Sensing that D.C.’s version of the “Twinkie” tax is going down, CSPI’s counter-proposal is a wholesale-level tax on the same products.