Sondagens Nacionais - 14/05/2008
15 05 2008| Race | Poll | Results | Spread |
| Democratic | Quinnipiac | Obama 45, | Obama +4.0 |
| General Election: | Quinnipiac | Clinton 46, | Clinton +5.0 |
| General Election: | Quinnipiac | Obama 47, | Obama +7.0 |
| Race | Poll | Results | Spread |
| Democratic | Quinnipiac | Obama 45, | Obama +4.0 |
| General Election: | Quinnipiac | Clinton 46, | Clinton +5.0 |
| General Election: | Quinnipiac | Obama 47, | Obama +7.0 |
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