SAN FRANCISCO (KCBS/AP) – A new survey shows that Mitt Romney is running away with Republican support in California, holding a double digit lead over his competitors in the GOP.

The USC Dornsife/Los Angeles Times poll released on Sunday found that Romney is backed by 42 percent of registered Republican voters, with Rick Santorum trailing by 19 points. Newt Gingrich and Ron Paul are a distant third and fourth.

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Romney’s support has jumped 15 points since a November USC/Times poll.

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But respondents said overall, they’re not thrilled with the Republican field. Half of GOP voters said they wish different candidates were running for president.

The poll surveyed 1,500 registered voters by phone between March 14 and 19. The survey has an overall margin of error of 2.9 percentage points.

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