FROM CNN's Jack Cafferty:
With two weeks to go until the Iowa caucuses, the race couldn't be much tighter on the Democratic side.
The poll also shows Obama gaining ground on Clinton on the question of which Democrat is most electable, which had been one of Clinton's early advantages. However, when it comes to which candidate has the best experience to be president, Clinton still has a significant lead.
In Iowa, it could also come down to which campaign does a better job of motivating voters to come out in the dead of winter and spend hours attending these caucuses.
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