In the post-primary season Sen. John McCain held a fairly consistent lead across the various polls with some tightening as November progressed, from 5 to 2-3 points.
However, October has shown a significant shift, with Obama trending ahead of McCain in the state. Obama's lead is approximate to the lead McCain had entering October.
It's a result that makes this state a dead heat. While the Obama campaign might be happy to see the spread move through the margin of error in their favor, it gives them no assurance of squeezing out a victory.
The McCain campaign, however, can not be pleased. In 2004 President George W. Bush trounced Sen. John Kerry (D-MA) by seven percentage points.
What must also give them pause is that the Democratic candidate for Governor, the popular Attorney Jay Nixon, has a double digit lead over his Republican opponent, Rep. Kenny Hulshoff. The two are vying to replace an unpopular Republican governor-Gov. Matt Blunt-who is bowing out of running for a second term (his reason; that he has achieved all he sought to achieve in one term. The real reason? Speculation is about as rampant as the number of commenters on political websites).