Hillary Clinton Leads Pennsylvania Poll Released by Franklin Marshall College Poll

Pennsylvania Poll: Hillary Clinton 44%, Barack Obama 32%.

Hillary Clinton Leads Texas Poll Released by IVR Polls

Texas Poll: Hillary Clinton 50%, Barack Obama 45%.

Hillary Clinton Leads National Poll Released by USA Today/Gallup Poll

Gallup National Polls Poll: Hillary Clinton 45%, Barack Obama 44%.

Hillary Clinton Leads National Poll Released by Fox News Opinion Dynamics Poll

Fox News National Polls Poll: Hillary Clinton 44%, Barack Obama 44%.

John McCain Leads Ohio Poll Released by Survey USA

Ohio Poll: Mike Huckabee 29%, John McCain 61%, Ron Paul 5%.

John McCain Leads National Poll Released by Reuters/Zogby Poll

Zogby National Polls Poll: Mike Huckabee 32%, John McCain 47%, Ron Paul 7%.

John McCain Leads National Poll Released by USA Today/Gallup Poll

Gallup National Polls Poll: Mike Huckabee 24%, John McCain 58%, Ron Paul 5%.

Hillary Clinton Leads Ohio Poll Released by Survey USA

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

Barack Obama Leads National Poll Released by Reuters/Zogby Poll

Zogby National Polls Poll: Hillary Clinton 38%, Barack Obama 52%.

Barack Obama Leads National Poll Released by USA Today/Gallup Poll

Gallup National Polls Poll: Hillary Clinton 42%, Barack Obama 47%.

John McCain Leads Wisconsin Poll Released by American Research Group

Wisconsin Poll: Mike Huckabee 43%, John McCain 51%, Ron Paul 3%.

John McCain Leads Texas Poll Released by Survey USA

Texas Poll: Mike Huckabee 37%, John McCain 50%, Ron Paul 7%.

Barack Obama Leads Wisconsin Poll Released by American Research Group

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

Hillary Clinton Leads Texas Poll Released by Survey USA

Texas Poll: Hillary Clinton 50%, Barack Obama 45%.

John McCain Leads Wisconsin Poll Released by American Research Group

Wisconsin Poll: Mike Huckabee 42%, John McCain 46%, Ron Paul 4%.

John McCain Leads Wisconsin Poll Released by Public Policy Polling

Wisconsin Poll: Mike Huckabee 39%, John McCain 50%, Ron Paul 6%.

John McCain Leads Texas Poll Released by CNN / Opinion Research Corporation

Texas Poll: Mike Huckabee 32%, John McCain 55%, Ron Paul 11%.

Hillary Clinton Leads Wisconsin Poll Released by American Research Group

Wisconsin Poll: Hillary Clinton 49%, Barack Obama 43%.

Barack Obama Leads Wisconsin Poll Released by Public Policy Polling

Wisconsin Poll: Hillary Clinton 40%, Barack Obama 53%.

Hillary Clinton Leads Texas Poll Released by CNN / Opinion Research Corporation

Texas Poll: Hillary Clinton 50%, Barack Obama 48%.