By contrast, the rich would get much better treatment from the swap of MWP for the payroll tax cut.

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Congress will soon have to get serious about dealing with the expiring tax provisions, and MWP demands a close look.

FORBES: Big Tax Cut For Workers Set To Expire

So this would support the idea that Baghdad, and by extension the rest of the Mesopotamian region, experienced the MWP as well.

BBC: Snow in Baghdad, and other ancient climates

As enacted, MWP follows the lead of almost every other provision in the tax code and is based on joint earnings in the case of couples.

FORBES: Big Tax Cut For Workers Set To Expire

While Washington seems obsessed with the fate of the Bush tax cuts, it has paid little attention to a soon-to-expire Obama tax cut: the Making Work Pay credit (MWP).

FORBES: Big Tax Cut For Workers Set To Expire

Some economists argue that because people are more aware of the payroll tax cut than they were of the obscure MWP, they are more likely to spend the extra dollars.

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So here we have evidence of a change of climate, which appears to have occurred at the same time as some parts of the world were entering the Medieval Warm Period (MWP).

BBC: Snow in Baghdad, and other ancient climates

Which is where the MWP comes in.

FORBES: If the MWP Was Global What Does That Tell Us About Climate Change Now?