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The battles over country-of-origin and GMO labels have intensified on the Hill this summer.
For the first time, the vice president looks like a more electable Democrat than Hillary Clinton.
For all the attention on Donald Trump and the GOP field, the Democratic side also bears watching.
In the likely event that he's not on the ballot in November 2016, what potential outcomes are we looking at?
Fresh numbers suggest which candidates are likeliest to emerge from the party's two main wings.
After the McCain furor, Trump's support may decline. But conservative populist fervor within the GOP won't.
So far, the crowded primary field is nothing but good news for Republican voters.