swing voter
floating voter

"But her goal has been to persuade the swing voters in the middle that she is doing a good job."

Due to these groups' smaller size, an individual swing voter can hold more power.

If we want the swing voters, people are not going to go for Kerry.

"But in the last few years she has done a remarkable job of winning over swing voters."

"It would make sense for them to use him in almost any state with large numbers of swing voters."

Republicans are coming home, but he hasn't got the swing voters yet.

"If we're going to have an election where swing voters are the main concern, I'll be happy to talk about national security."

In other words, the swing voters who determine election results.

The only question, really, is how to find these new swing voters.

A daily fix of issues pulled swing voters to him in 1996.