Transcript
DAVID GREENE, HOST:
Ask almost anyone about negative political ads, you'll likely get a negative response. They're widely disliked, yet campaigns keep airing them over and over and over again. That's especially true right now in the state of Wisconsin, ahead of next week's Republican primary.
NPR's David Schaper reports that as hated as these ads are, they are seen as effective.
DAVID SCHAPER, BYLINE: Flip on the TV anywhere in Wisconsin this week and it won't be long until you hear this...
(SOUNDBITE OF AD)