Polls out Thursday show Mitt Romney comfortably ahead in three GOP nominating contests this month.

Nevada Republicans will caucus on Saturday, and 45 percent of those who say they will participate plan on backing Romney, according to a Las Vegas Review-Journal survey. Former House Speaker Newt Gingrich places a distant second with 25 percent of the support. Former Pennsylvania Sen. Rick Santorum garners 11 percent and Texas Rep. Ron Paul, who has a strong organization in the state, gets 9 percent.

Romney, a member of the Church of Jesus Christ of Latter-day Saints, attracts more than 85 percent support from Mormons, who constituted 25 percent of Nevada caucus-goers in 2008. (Romney won the state by more than 37 percent.) Gingrich leads among Tea Party adherents with 37 percent of the support. Romney attracts 27 percent from this group while Santorum garners 20 percent. Paul gets 9 percent.

Romney also holds a double-digit lead in Arizona and Michigan, both of which will host primaries at the end of the month.

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