Virginia Poll: Hillary Clinton 40%, Barack Obama 57%.

Virginia Poll: Hillary Clinton 34%, Barack Obama 51%.

Maryland Poll: Hillary Clinton 35%, Barack Obama 53%.

Maryland Poll: Hillary Clinton 32%, Barack Obama 55%.

Maryland Poll: Hillary Clinton 38%, Barack Obama 55%.

Maryland Poll: Hillary Clinton 36%, Barack Obama 53%.

Rhode Island Poll: Hillary Clinton 36%, Barack Obama 28%.

Ipsos National Polls Poll: Hillary Clinton 46%, Barack Obama 41%.

Gallup National Polls Poll: Hillary Clinton 46%, Barack Obama 44%.

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Virginia Poll: Mike Huckabee 27%, John McCain 55%, Ron Paul 5%.

Newsweek National Polls Poll: Mike Huckabee 32%, John McCain 51%, Ron Paul 6%.

Gallup National Polls Poll: Mike Huckabee 21%, John McCain 53%, Ron Paul 5%.

Virginia Poll: Hillary Clinton 37%, Barack Obama 55%.

Virginia Poll: Hillary Clinton 37%, Barack Obama 53%.

Maryland Poll: Hillary Clinton 31%, Barack Obama 57%.

Newsweek National Polls Poll: Hillary Clinton 41%, Barack Obama 42%.

Gallup National Polls Poll: Hillary Clinton 48%, Barack Obama 43%.