WASHINGTON -- The countdown to Election Day continues, and the pace of polling in the battleground states has increased. But the main findings remain unchanged: Though polls show an essentially tied race between President Barack Obama and Republican nominee Mitt Romney nationwide, Obama holds narrow leads in a handful of battleground states that appear poised to decide the election.With just five days remaining, the most crucial question now may be less about last-minute polling trends and more about whether the polls will prove to be collectively accurate.First, the new polls.