Walter Shapiro downgrades Palin's chances:

[T]he Republican National Committee recently voted to switch to proportional representation (the system that was used by the Democrats during the protracted Obama-versus-Hillary Clinton battle) for all primaries held during the first two months of the 2012 season. What that means is that it will very difficult for a divisive candidate like Palin to sweep the table before the party establishment (buffeted though it may have been recently) can regroup.

(Hat tip: Smith)

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