Colorado Democrats fear the anti-fracking crusade of Rep. Jared Polis may jeopardize their tentative hold on Denver. Mr. Polis is sponsoring two ballot measures against hydraulic fracturing. (Associated press)
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Colorado Democrats fear the anti-fracking crusade of Rep. Jared Polis may jeopardize their tentative hold on Denver. Mr. Polis is sponsoring two ballot measures against hydraulic fracturing. (Associated press)
