WASHINGTON (AP) -- The race for the White House is pretty much back where it started, after thousands of ads, billions of dollars in spending, two conventions and three presidential debates. Despite some detours, the emphasis is heavily on the nation's lukewarm economy and President Barack Obama's stewardship of it.But if Tuesday's election does amount to a referendum on the Obama economy, the outcome likely won't shine a bright light on how to fix it. There's too much polarization in the nation's capital and in the country as a whole - regardless of who wins -...

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