Pennsylvania Poll Released by Strategic Vision: Barack Obama 42%, Hillary Clinton 47%

Pennsylvania Poll: Hillary Clinton 47%, Barack Obama 42%.

Pennsylvania Poll Released by Public Policy Polling: Barack Obama 43%, Hillary Clinton 46%

Pennsylvania Poll: Hillary Clinton 46%, Barack Obama 43%.

Pennsylvania Poll Released by Rasmussen Reports: Barack Obama 43%, Hillary Clinton 48%

Pennsylvania Poll: Hillary Clinton 48%, Barack Obama 43%.

Pennsylvania Poll Released by Survey USA: Barack Obama 38%, Hillary Clinton 56%

Pennsylvania Poll: Hillary Clinton 56%, Barack Obama 38%.

Oregon Poll Released by Survey USA: Barack Obama 52%, Hillary Clinton 42%

Oregon Poll: Hillary Clinton 42%, Barack Obama 52%.

Indiana Poll Released by American Research Group: Barack Obama 44%, Hillary Clinton 53%

Indiana Poll: Hillary Clinton 53%, Barack Obama 44%.

North Carolina Poll Released by Public Policy Polling: Barack Obama 54%, Hillary Clinton 33%

North Carolina Poll: Hillary Clinton 33%, Barack Obama 54%.

North Carolina Poll Released by Charlotte Observer WNCN Poll: Barack Obama 35%, Hillary Clinton 26%

North Carolina Poll: Hillary Clinton 26%, Barack Obama 35%.

Pennsylvania Poll Released by American Research Group: Barack Obama 45%, Hillary Clinton 45%

Pennsylvania Poll: Hillary Clinton 45%, Barack Obama 45%.

Pennsylvania Poll Released by Quinnipiac University Poll: Barack Obama 44%, Hillary Clinton 50%

Pennsylvania Poll: Hillary Clinton 50%, Barack Obama 44%.

North Carolina Poll Released by Rasmussen Reports: Barack Obama 56%, Hillary Clinton 33%

North Carolina Poll: Hillary Clinton 33%, Barack Obama 56%.

National Poll Released by Diageo/Hotline Poll conducted by Financial Dynamics: Barack Obama 50%, Hillary Clinton 38%

Diageo National Polls Poll: Hillary Clinton 38%, Barack Obama 50%.

Pennsylvania Poll Released by Strategic Vision: Barack Obama 41%, Hillary Clinton 49%

Pennsylvania Poll: Hillary Clinton 49%, Barack Obama 41%.

Pennsylvania Poll Released by Morning Call Muhlenberg College Poll: Barack Obama 38%, Hillary Clinton 49%

Pennsylvania Poll: Hillary Clinton 49%, Barack Obama 38%.

Indiana Poll Released by Research 2000 for South Bend Tribune WSBT TV WISH TV WANE TV: Barack Obama 46%, Hillary Clinton 49%

Indiana Poll: Hillary Clinton 49%, Barack Obama 46%.

Pennsylvania Poll Released by Insider Advantage / Majority Opinion Research: Barack Obama 42%, Hillary Clinton 45%

Pennsylvania Poll: Hillary Clinton 45%, Barack Obama 42%.

National Poll Released by CBS News NY Times Poll: Barack Obama 45%, Hillary Clinton 42%

CBS News National Polls Poll: Hillary Clinton 42%, Barack Obama 45%.

Indiana Poll Released by Survey USA: Barack Obama 43%, Hillary Clinton 52%

Indiana Poll: Hillary Clinton 52%, Barack Obama 43%.

Pennsylvania Poll Released by Survey USA: Barack Obama 41%, Hillary Clinton 53%

Pennsylvania Poll: Hillary Clinton 53%, Barack Obama 41%.

Pennsylvania Poll Released by Public Policy Polling: Barack Obama 45%, Hillary Clinton 43%

Pennsylvania Poll: Hillary Clinton 43%, Barack Obama 45%.