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2 Rove groups target 4 states' fall Senate races

Cotton-Pryor contest to see part of $15 million for ads

Posted: May 20, 2014 at 5:15 a.m.

WASHINGTON -- A well-funded independent political machine with ties to Republican strategist Karl Rove on Monday signaled that it was ready to spend almost $15 million on ads in four states with competitive Senate races -- spending that is expected to rise.

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