Results of the Big Ten Battleground Poll, which asked voters in Ohio, Michigan, Pennsylvania, Indiana, Wisconsin, Iowa, Illinois and Minnesota for their views on the presidential race.
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THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Ohio (20 electoral votes.)
THE NUMBERS: Obama 46, McCain 45.
OF INTEREST: The state that helped decide the 2004 election in President Bush's favor remains a dead heat.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/
THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Michigan (17 electoral votes).
THE NUMBERS: Obama 48, McCain 44.
OF INTEREST: Nearly 85 percent of Michigan voters believe their state is on the wrong track, the highest discontent recorded in the survey.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/
THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Pennsylvania (21 electoral votes).
THE NUMBERS: Obama 45, McCain 45.
OF INTEREST: More than 8 out of 10 voters say the economy has gotten worse in the last year.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/
THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Indiana (11 electoral votes).
THE NUMBERS: McCain 47, Obama 43.
OF INTEREST: President Bush enjoys his highest popularity in Indiana of the eight states, with 40 percent of voters saying they have a very or somewhat favorable opinion of him.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/
THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Wisconsin (10 electoral votes).
THE NUMBERS: Obama 45, McCain 44.
OF INTEREST: The poll is the latest in recent days to show a dead heat in Wisconsin, home of two of the closest general election outcomes in 2000 and 2004. Polls showed Obama leading by more than 10 points in June.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/
THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Iowa (seven electoral votes).
THE NUMBERS: Obama 45, McCain 45.
OF INTEREST: The two candidates were literally tied here among those surveyed: 288 to 288.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/
THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Illinois (21 electoral votes).
THE NUMBERS: Obama 53, McCain 37
OF INTEREST: Obama remains popular in his Democratic-leaning home state of Illinois.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/
THE POLL: Big Ten Battleground Poll, of 600 randomly selected registered voters in Minnesota (10 electoral votes).
THE NUMBERS: Obama 47, McCain 45
OF INTEREST: The race remains tight in Minnesota, where McCain accepted his party's nomination for president earlier this month.
DETAILS: Conducted Sept. 14-17 by landline telephone. The poll has a margin of error of 4 percentage points.
MORE: http://www.bigtenpoll.org/