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

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

Pennsylvania Poll Released by Quinnipiac University: Barack Obama 41%, Hillary Clinton 50%

Pennsylvania Poll: Hillary Clinton 50%, Barack Obama 41%.

Pennsylvania Poll Released by Rasmussen Reports: Barack Obama 42%, Hillary Clinton 47%

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

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Tibetan Exiles and Monks Attempt to Storm Chinese Embassy in Katmandu, 130 Arrested

Tibetan Exiles and Monks Attempt to Storm Chinese Embassy in Katmandu, 130 Arrested

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Robert Mugabe May Be Planning Exit from Power in Zimbabwe

Robert Mugabe May Be Planning Exit from Power in Zimbabwe

Kentucky Poll Released by Survey USA: Barack Obama 29%, Hillary Clinton 58%

Kentucky Poll: Hillary Clinton 58%, Barack Obama 29%.

North Carolina Poll Released by Insider Advantage: Barack Obama 49%, Hillary Clinton 34%

North Carolina Poll: Hillary Clinton 34%, Barack Obama 49%.

North Carolina Poll Released by American Research Group: Barack Obama 51%, Hillary Clinton 38%

North Carolina Poll: Hillary Clinton 38%, Barack Obama 51%.

North Carolina Poll Released by Public Policy Polling: Barack Obama 54%, Hillary Clinton 36%

North Carolina Poll: Hillary Clinton 36%, Barack Obama 54%.

Pennsylvania Poll Released by American Research Group: Barack Obama 39%, Hillary Clinton 51%

Pennsylvania Poll: Hillary Clinton 51%, Barack Obama 39%.

National Poll Released by Pew Research Center for the People & the Press survey conducted by Princeton Survey Research Associates International: Barack Obama 49%, Hillary Clinton 39%

Pew Research National Polls Poll: Hillary Clinton 39%, Barack Obama 49%.

National Poll Released by NBC News/Wall Street Journal Poll: Barack Obama 45%, Hillary Clinton 45%

NBC National Polls Poll: Hillary Clinton 45%, Barack Obama 45%.

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German Chancellor Angela Merkel to Skip Beijing Olympics

German Chancellor Angela Merkel to Skip Beijing Olympics

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Barack Obama to Pick Up Key Endorsement from PA Sen. Bob Casey

Barack Obama to Pick Up Key Endorsement from PA Sen. Bob Casey

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U.S. Government Official Killed When Rocket Strikes Green Zone in Baghdad

U.S. Government Official Killed When Rocket Strikes Green Zone in Baghdad

Carla Bruni-Sarkozy Nude Pictures Stir Controversy in France, UK

Carla Bruni-Sarkozy Nude Pictures Stir Controversy in France, UK

West Virginia Poll Released by Rasmussen Reports: Barack Obama 27%, Hillary Clinton 55%

West Virginia Poll: Hillary Clinton 55%, Barack Obama 27%.

North Carolina Poll Released by Public Policy Polling: Barack Obama 55%, Hillary Clinton 34%

North Carolina Poll: Hillary Clinton 34%, Barack Obama 55%.

Pennsylvania Poll Released by Rasmussen Reports: Barack Obama 39%, Hillary Clinton 49%

Pennsylvania Poll: Hillary Clinton 49%, Barack Obama 39%.

National Poll Released by Fox News Opinion Dynamics Poll: Barack Obama 38%, Hillary Clinton 40%

Fox News National Polls Poll: Hillary Clinton 40%, Barack Obama 38%.