In June 2016, Philadelphia became the largest city in the United States to pass a soda tax, which went into effect on January 1, 2017. Soda taxes, an umbrella term for taxes that are assessed on sugar-sweetened beverages, represent the latest incarnation in a recent wave of non-traditional “sin taxes.” Sin taxes target behaviors that the government considers to be socially undesirable, and traditionally have been levied to curb consumption of alcohol and tobacco products. As state and local governments continue to face burgeoning budget deficits, legislators have increased the amount of existing sin taxes and expanded the sin tax base by taxing everything from sugar-sweetened beverages and junk food to disposable plastic bags. This Note arg...