Bill_Watkins: Nickelsburg knows that it’s marginal rates not average rates that are important. So why this? http://t.co/q9RGadWb HT @PhilPina

Bill_Watkins: Nickelsburg knows that it’s marginal rates not average rates that are important. So why this? http://t.co/q9RGadWb HT @PhilPina

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