Alaska Gov. Sarah Palin has endorsed Rick Perry for re-election, calling him the "true conservative" in a primary election showdown with fellow Republican Kay Bailey Hutchison.
Palin, who electrified the GOP base as the party's vice presidential nominee last year, has strong support among the party's social conservatives. Her endorsement appeared aimed at undercutting Hutchison's appeal with GOP women. Both groups will be important in picking the party's nominee in next year's GOP primary.
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