According to Public Policy Polling, it appears that the race to fill John Murtha’s House seat on Tuesday may come down to a photo finish. In the Democratic firm’s final poll of the race, Republican Tim Burns and Democrat Mark Critz are neck and neck: 48% to 47%.

One sign that Burns has the edge: “among voters who say they’re ‘very excited’ to vote in this election, Burns has a 60-38 lead.” And Burns has a net favorability of +8 while Critz’s net favorability is -6.