What’s the least defensible special break in the U.S. tax code? With so many distortions to choose from, it’s hard to name just one. If forced to pick, I might say the deduction for state and local taxes, which cost $67 billion in fiscal 2011, according to the congressional Joint Committee on Taxation.
This one overwhelmingly benefits upper-income households in a handful of upper-income states, while rendering the entire nation’s finances less transparent. It’s also a potential source of friction in the “fiscal cliff” negotiations between President Obama and the Republicans (but we’ll get to that in a moment).
While we're at it, get rid of the mortgage deduction as well. Via Charles Lane: The best deduction to chop - The Washington Post.