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Republican voters in Utah head to their county caucuses Thursday, marking the first step in a primary battle that some hope will topple longtime incumbent Sen. Orrin Hatch.

FreedomWorks, a conservative grassroots group, has been targeting the six-term senator over the last year, aiming to play a similar role as it did in the state's 2010 race.
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In a call with supporters, the group's federal and state campaign director Russ Walker said FreedomWorks has spent more than $600,000 in this race http://politicalticker.blogs.cnn.com/2012/03/15/hatch-faces-heat-from-
the-right-in-utah-nominating-process/

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