In 2008 Barack Obama soared to victory on the promise of change, and experts declared that a new era of Democratic dominance had begun. Now, only two years later, it looks as though voters want change again. On Nov. 2, Republicans are likely to regain control of the House and come close to winning back the Senate. But while conservatives are already trumpeting the 2010 midterms as a historic validation of their agenda, the truth, as in 2008, is considerably more nuanced.
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