Here are the latest polls from the battleground, updated through the day:
New Hampshire: Obama 50%, Romney 49% (Rasmussen)
Nevada: Obama 48%, Romney 45% (SurveyUSA)
Nevada: Obama 50%, Romney 47% (Rasmussen)
Nevada: Obama 50%, Romney 43% (Project for a New America)
Ohio: Obama 45%, Romney 42% (SurveyUSA)
Wisconsin: Obama 49%, Romney 48% (Marquette Law)