Campaign ads getting nasty
Candidates targeting small crop of undecided voters
POSTED: 3:44 PM PDT August 10, 2012
UPDATED: 6:03 PM PDT August 10, 2012
We're seeing lots of negative political ads -- even negative ads about negative ads. But for some voters, they're enough to get them to the polls, and that's why these ads are here to stay through Election Day.
