Could Presidential Polls Be Wrong About Obama's Battleground Edge?

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.