Both campaigns are pushing hard for Ohio’s 18 electoral votes, though Obama’s narrow lead in polling is part of the reason analysts have suggested the president has an easier path to 270 electoral votes.

On the other side of the aisle, Sen. Mark WarnerMark Robert WarnerOvernight Tech: Facebook faces crisis over Cambridge Analytica data | Lawmakers demand answers | What to watch for next | Day one of AT&T's merger trial | Self-driving Uber car kills pedestrian Overnight Cybersecurity: Trump-linked data firm Cambridge Analytica attracts scrutiny | House passes cyber response team bill | What to know about Russian cyberattacks on energy grid Cambridge Analytica: Five things to watch MORE (D-Va.) noted that a new Washington Post poll had given Obama a 51 percent to 47 percent edge in Virginia – “above that magic 50 percent mark,” as Warner put it.

Virginia, which went for Obama in 2008, is seen as a key state for Romney, who also appears to be gaining momentum in Florida. 

Warner also said that Hurricane Sandy, which is expected to make landfall pretty soon, would have an impact on the campaign, but that he remained confident Obama would take Virginia’s 13 electoral votes.

“The storm will throw a little bit of havoc into the race,” Warner said.