Republicans are narrowing Democrats' organizational advantage in critical swing states, but the latter say they are on track to improve upon President Obama's 2008 early-vote count.Now that the election has moved full-throttle into get-out-the-vote mode, both campaigns are tracking the daily tabulation of absentee ballots requested in key battlegrounds along with the number of early votes already cast. In half of the most critical swing states -- Colorado, Florida and North Carolina -- Republicans have requested more absentee ballots than have their counterparts. And in Nevada, the...

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