Iowa vote doesn't resolve GOP search for identity

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WASHINGTON (AP) -- The Republicans' identity crisis is producing the most volatile presidential primary season in memory.

It threatens to dilute the conservative fervor that swept the party to huge wins in 2010.

Former Massachusetts Gov. Mitt Romney is the pragmatic, establishment choice. But he has yet to attract more than a quarter of GOP voters.

Romney promises to use his corporate skills to do a good job managing the government. But many party activists seem more intent on radically reshaping that government.

Rick Santorum came within eight votes of beating Romney in Iowa. But he may be hard-pressed to raise the money needed to campaign in New Hampshire and beyond.