from Quinnipiac University polls:
Florida: McCain 45, Obama 41; Clinton 48, McCain 41.
Ohio: McCain 44, Obama 40; Clinton 48, McCain 41.
Pennsylvania: Obama 46, McCain 40; Clinton 50, McCain 37.
Error margins between: 2.4-2.8 points. Dates conducted: May 13-20.
Read more from the polls here — including numbers on Clinton as veep.
Plus: Public Policy Institute of California poll shows Obama making strides across nearly every constituency.
