Could I ask who's calling? wellbutrin generic fda "This is fundamentally an issue that some states have big bloated governments and they are looking for ways to enforce their bloated tax rates," says Daniel Mitchell, senior fellow at the CATO Institute, a libertarian-leaning think tank. "If you are from a state with high sales taxes, you probably support the bill. If you are a state with a low tax rate, you are more likely to be against it. There is a standard self-interest story to this."