Mitt Romney's squeaker victory in Maine's GOP presidential caucuses is being challenged by Ron Paul, who has fixed the spotlight on a remote rural county and is asking this pressing question: Was it a heavy snowstorm or just a light dusting that fell Saturday night in the easternmost reaches of the state?

Anticipating inclement weather, GOP officials in Maine's Washington County postponed their Saturday caucus for a week. But state party officials said those belated votes won't be allowed to change the outcome they announced...