Barack Obama Leads Texas Poll Released by Reuters/C SPAN/Houston Chronicle/Zogby tracking poll

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

Hillary Clinton Leads Ohio Poll Released by Reuters/C SPAN/Houston Chronicle/Zogby tracking poll

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

Hillary Clinton Leads Rhode Island Poll Released by WPRI TV poll conducted by Fleming Associates

Rhode Island Poll: Hillary Clinton 49%, Barack Obama 40%.

John McCain Leads Texas Poll Released by Belo Texas Tracking Poll conducted by Public Strategies Inc

Texas Poll: Mike Huckabee 27%, John McCain 59%, Ron Paul 6%.

John McCain Leads Texas Poll Released by Reuters/C SPAN/Houston Chronicle/Zogby tracking poll

Texas Poll: Mike Huckabee 31%, John McCain 54%, Ron Paul 7%.

John McCain Leads Ohio Poll Released by Reuters/C SPAN/Houston Chronicle/Zogby tracking poll

Ohio Poll: Mike Huckabee 23%, John McCain 58%, Ron Paul 8%.

Barack Obama Leads North Carolina Poll Released by Civitas Institute poll conducted by Tel Opinion Research (R) DecisionMaker Poll

North Carolina Poll: Hillary Clinton 24%, Barack Obama 38%.

Hillary Clinton Leads Ohio Poll Released by Fox News / Opinion Dynamics Poll

Ohio Poll: Hillary Clinton 46%, Barack Obama 38%.

Hillary Clinton Leads Ohio Poll Released by Rasmussen Reports

Ohio Poll: Hillary Clinton 47%, Barack Obama 45%.

Hillary Clinton Leads Ohio Poll Released by Reuters/C Span/Houston Chronicle/Zogby Poll

Ohio Poll: Hillary Clinton 44%, Barack Obama 42%.

Hillary Clinton Leads Ohio Poll Released by American Research Group

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

Hillary Clinton Leads Pennsylvania Poll Released by Rasmussen Reports

Pennsylvania Poll: Hillary Clinton 46%, Barack Obama 42%.

John McCain Leads Texas Poll Released by Reuters/C Span/Houston Chronicle/Zogby Poll

Texas Poll: Mike Huckabee 27%, John McCain 53%, Ron Paul 11%.

John McCain Leads Texas Poll Released by American Research Group

Texas Poll: Mike Huckabee 23%, John McCain 62%, Ron Paul 9%.

John McCain Leads Texas Poll Released by Public Strategies

Texas Poll: Mike Huckabee 27%, John McCain 59%, Ron Paul 6%.

John McCain Leads North Carolina Poll Released by Civitas Institute poll conducted by Tel Opinion Research (R) DecisionMaker Poll

North Carolina Poll: Mike Huckabee 23%, John McCain 50%, Ron Paul 6%.

John McCain Leads Ohio Poll Released by Reuters/C Span/Houston Chronicle/Zogby Poll

Ohio Poll: Mike Huckabee 19%, John McCain 62%, Ron Paul 8%.

John McCain Leads Ohio Poll Released by American Research Group

Ohio Poll: Mike Huckabee 21%, John McCain 63%, Ron Paul 9%.

John McCain Leads Pennsylvania Poll Released by Rasmussen Reports

Pennsylvania Poll: Mike Huckabee 30%, John McCain 59%, Ron Paul 5%.

Barack Obama Leads Texas Poll Released by Public Strategies

Texas Poll: Hillary Clinton 45%, Barack Obama 46%.