This means Romney is likely up by one percent among people who will actually go to the polls. Registered voter polls typically favor Democrats by 2% or more.
Via Hot Air:
You guys are poll-savvy enough by now to know that samples of likely voters always skew a bit more Republican than samples of registereds, so what we’re looking at here is a de facto tie race at worst. Rasmussen has it 47/45 for Romney today; Gallup’s sample, screened for likelies, would probably be right in line with that.
Here’s what a textbook “bounce” looks like on a graph: