More likely, however, the poll is simply evidence of a tight race in the crucial swing state, coupled with Rasmussen's conservative lean. The survey contacted 500 likely voters in the state and carried a margin of error of plus or minus 4.5 percentage points.

Still, the president is working hard to shore up support there. Obama is scheduled to speak at a college campus in downtown Denver on Wednesday, where former Georgetown Law Student Sandra Fluke — who famously testified about access to birth control and drew the attention of conservative talk show hosts including Rush Limbaugh — is set to introduce him. The president will also stop in Grand Junction, Pueblo and Colorado Springs during his swing through the state.

The Romney campaign has also been aggressive in the state, with Romney visiting last week and Sen. Rob PortmanRobert (Rob) Jones PortmanFlake's anti-Trump speech will make a lot of noise, but not much sense Top GOP candidate drops out of Ohio Senate race Overnight Tech: Regulators to look at trading in bitcoin futures | Computer chip flaws present new security problem | Zuckerberg vows to improve Facebook in 2018 MORE (R-Ohio), considered a top vice presidential contender, campaigning there Wednesday to counterbalance the president.