the race for president and "your voice, your vote." The election just 23 days away. Two sets of numbers we're watching closely tonight, the latest gallup poll showing governor romney holding a slim... See More
the race for president and "your voice, your vote." The election just 23 days away. Two sets of numbers we're watching closely tonight, the latest gallup poll showing governor romney holding a slim lead, 49-47 nationally, but both campaigns are looking at these numbers from ohio, the battleground state that might decide this. The president with a narrow advantage. Tuesday's debate between mitt romney and the president more crucial, and the president's team acknowledging tonight there will be changes in his debate strategy. David kerley at the white house tonight. Hello, everybody, hello. I brought some food. Reporter: President obama took a break today to visit a campaign office, now into his second day of intense debate preparation. How is it going, sir? It is going great. Reporter: The president is holed up at this williamsburg, virginia, resort walking and enjoying the scenery, we are told, betweesessions far from the campaign trail, preparing for his rematch with romney. I don't think in recorder -- in the history of presidential debates has there been such a momentum shift off of the first presidential debate, and so the president has to turn the momentum back in his direction. Reporter: The obama team was quite open today about how damaging the first debate was to their campaign and that their candidate must adapt. I think he's going to make some adjustments on tuesday. He's got to be more energetic. I think he's going to be aggressive. Reporter: After attending chump near boston, mitt romney also held debate sessions. His camp knows they will see a different president obama tuesday night. The president can change his style. He can change his tactics. He can't change his record. Reporter: While the debate about the debate was the talk this sunday, the obama campaign is also filling the ohio airwaves with a new ad using actor morgan freeman. Four years later, our enemies have been brought to justice. Our heroes are coming home. Assembly lines are running again. Reporter: And this week, bill clinton and bruce springsteen are in ohio campaigning for the president. ♪ This land ♪ Reporter: Big names aimed directly at the undecided voters in a critical battleground state. ♪ Reporter: How important is ohio? Well, mitt romney was there four days last week, david. Expect him to return later this week, as well.
This transcript has been automatically generated and may not be 100% accurate.