Transcript for Herman Cain Under Scrutiny
Your voice your vote and the latest outsider candidate to catch fire Herman -- The businessman who made millions selling pizza but never held office has now pulled ahead of all the established politicians in the field. And that's surge is bringing new support and new scrutiny to a signature a 999. Tax plan even drawing fire from one opponent's wife. ABC's Jon Karl has the story. Herman Cain who sold hot right now and Rick Perry's wife is taking him on when -- -- 999. I want to call 911. The -- it will raise the taxes he's surging in the polls and big name Republicans are taking notice. GOP budget guru Paul Ryan said today he'd loves team's 999 economic plan. And Mississippi governor Haley Barbour predicted -- would sweep at the south against Obama. And here's a sign of the times Spirit Airlines in a nod to -- has launched the 999 advertising campaign. But there are real questions about whether -- can turn all of this into a winning campaign. We dropped by -- Iowa headquarters today and found the place nearly deserted. To win here the first caucus state he's gonna need more than this. McCain hasn't been to Iowa since August and not even the guys working forum here happy about that. We are trying hard to get mr. -- here in October and hopefully. We'll be able to achieve that came likes to say he's. The only candidate who's never held political office. Although he's not a total amateur. He ran for the senate and lost in 2004. And ten years before that. He confronted then President Bill Clinton at a health care town hall meeting first mister president with all due respect. You'll calculations. On what the impact would do. Quite honestly is incorrect Cain says his search now is no fluke that -- -- between the flavor of the week. And Haagen Dazs black -- because it tastes good all the time. Call -- high enough -- black walnut may indeed be tasty but Herman Cain is in for a disappointment. The next time He goes out for ice cream. Haagen Dazs -- stop selling black wall of ice cream two years ago.
This transcript has been automatically generated and may not be 100% accurate.