US Politics Analysis: Explaining the Fiscal Cliff and the Battle Over the "Taxpayer Protection Pledge"

Republicans are aware that President Obama has momentum on his side for increased tax revenues during the fiscal cliff discussions, but they believe that history and principle are on theirs. Will some of them break the Pledge to ensure that a compromise is reached? That has far more to do with if and how Democrats assure them over spending cuts than it does with media stories about their loyalty to one Grover Norquist.

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