Here's Political Wire's latest roundup of swing-state polls. With one exception, see any commonality?
Ohio: Obama 50%, Romney 45% (Quinnipiac)
Fla: Obama 48%, Romney 47% (Quinnipiac)
Iowa: Obama 50%, Romney 45% (PPP)
Mich: Obama 48%, Romney 45% (Detroit News)
Penn: Obama 48%, Romney 44% (F&M)
Virg: Obama 49%, Romney 47% (Quinnipiac)
Virg: Romney 49%, Obama 44% (Roanoke)
Wisc: Obama 51%, Romney 46% (PPP)
Why of course. It's Romney's Big Mo!