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New polls: Obama up in CO, MI, PA

From NBC's John Talty
Some new battleground polls from CNN/Time. Obama leads in Colorado, Michigan and Pennsylvania and, according to this poll, is actually close in West Virginia.

-- Colorado: Obama 51, McCain 47
-- Michigan: Obama 51, McCain 46
-- Montana: McCain 54, Obama 43
-- Pennsylvania: Obama 53, McCain 44
-- West Virginia: McCain 50, Obama 46