(CNN) -- The presidential race is too close to call in two battleground states and in Colorado which has emerged as an unlikely key state, according to polls released Thursday.
Three CNN/USA Today/Gallup polls show the race tied in Colorado and within the margin of error in New Mexico and Wisconsin.
Sen. John Kerry's strength in GOP-leaning Colorado has been one of the surprises of the 2004 campaign.
Bush carried Colorado by nine points four years ago, and the state has gone for the GOP nominee in eight out of the last 10 presidential elections.
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