SALT LAKE CITY (AP) — Nearly a dozen Utah Republicans vying to replace Mitt Romney in the U.S. Senate are set to square off Saturday for the party nomination in a race expected to reveal the brand of political conservatism that most appeals to modern voters in the state.

Romney has long been the face of the party's more moderate wing, but his opens a door for Utah's farther-right faction. Observers are closely watching whether voters select a successor whose politics align more with Romney's or with Utah’s other U.S. senator, conservative , who supports former President .

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