Here are the latest polls from the battleground states:
Ohio: Obama 50%, Romney 45% (Quinnipiac)
Florida: Obama 48%, Romney 47% (Quinnipiac)
Iowa: Obama 50%, Romney 45% (Public Policy Polling)
Michigan: Obama 48%, Romney 45% (Detroit News)
Pennsylvania: Obama 48%, Romney 44% (Franklin and Marshall)
Virginia: Obama 49%, Romney 47% (Quinnipiac)
Wisconsin: Obama 51%, Romney 46% (Public Policy Polling)
Source: PoliticalWire.com