Carson's remarks came after the real estate mogul went on a lengthy rant about him.
The focus on the economy gave veteran politicians a chance to tout their records and experience.
Eight Republican presidential candidates will participate in the debate next Tuesday. Not among them: New Jersey Governor Chris Christie.
Trump reveals he packs heat when asked whether he would feel more comfortable if his employees carried weapons to work.
Wednesday night's event was meant to focus primarily on business and the economy.
Economy! Jobs! Taxes!
The retired neurosurgeon has surpassed the real estate mogul nationwide by 4 percentage points.
The new survey shows that voters are attracted to Carson's personal story.
The retired neurosurgeon leads the real estate mogul by 8 percentage points in the early primary state.
Fiorina had polled poorly in July and early August, but she gained support after the first Republican debate on August 6.
Bush is the most popular candidate on Wall Street and Clinton is the second.
The candidate is holding a contest for his next ad. We imagined what it would be like for the other candidates.
The debate, which is the third GOP event of this election cycle, will be held on October 28.
The real estate billionaire leads the retired neurosurgeon by one percentage point.
Despite an impressive showing at the last Republican debate, Carly Fiorina trails Ben Carson.
Is it prejudice? Electoral math? Or simple demographics?
John Yob, a staffer for Kentucky Senator Rand Paul, says he was attacked by Rubio staffer Rich Beeson.
National support for Republican candidate Carson has reached 23 percent, just 4 percentage points behind Trump.
What started as a Twitter hashtag has managed to influence the 2016 presidential election.
With 10 candidates, you'll need something to keep them straight.
Republicans say the plan, designed to lower carbon emissions by 2030, will eliminate American jobs and cost taxpayers.
There is an utter failure to inform voters about presidential nomination contests.