HEMPSTEAD - Swing voters across the nation may determine the outcome of the upcoming presidential election. Many Long Island residents say they're still not sure whether to send President Barack Obama back to the White House for four more years or give Republican Mitt Romney a shot. Analysts say Long Island was a Republican stronghold years ago, but shifting demographics have changed that. Now, Democrats have the edge in Nassau, and the margins are getting slimmer in Suffolk. Meanwhile, the number of independent voters continues to grow. There were 400,000 independents on Long Island 10 years ago, according to the Board of Elections. That number has since jumped to nearly 450,000. Tonight's debate is a town-hall style forum. All the people who have come up with questions are undecided Nassau residents.

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