It's MORNING EDITION, from NPR News. Good morning. I'm Renee Montagne.
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And I'm Steve Inskeep.
Mitt Romney has not done any campaigning the last few days. He's in Vermont with senior aides, preparing for debates next month. And even as President Obama prepares for tonight's big speech, campaign aides say he has been preparing for debates, too. NPR's Ari Shapiro asked past debate coaches what happens behind the scenes.