4th Republican Debate by the Numbers
See the most-talked-about topic of Tuesday night's debate.
— -- The fourth GOP debate, hosted by Fox Business Network and the Wall Street Journal, saw a few changes: fewer candidates onstage and a buzzer that signaled when candidates had exhausted their speaking time, to name two.
But one thing didn't change. The fast-paced, high-stakes talk that has characterized debates this election cycle. Here are the highlights: