SCIUTTO: Tonight, Donald Trump topping the GOP field by the widest margin yet in this election. A new Quinnipiac University poll showing Trump at the head of the pack with 28 percent of Republican votes nationwide. But Trump also leads the pack when it comes to who GOP voters say they would never vote for. Still Trump in South Carolina today reveling in his frontrunner status and our Sara Murray is OUTFRONT.</s>DONALD TRUMP (R), PRESIDENTIAL CANDIDATE: Remember how big those pages used to be?</s>SARA MURRAY, CNN NATIONAL POLITICAL CORRESPONDENT (voice-over): A confident Donald Trump reading to the crowd.</s>TRUMP: Another words, the man of the toupee. I don't wear a toupee. It's my hair. I swear. Come here. Come here. Come here.</s>MURRAY: Upping the ante on his colorful antics, even pulling a woman on stage to defend his hairdo.</s>TRUMP: Come, come. Is it mine? Look.</s>UNIDENTIFIED FEMALE: It is.</s>TRUMP: It is. Say it, please.</s>UNIDENTIFIED FEMALE: Yes, I believe it is.</s>TRUMP: Thank you.</s>MURRAY: His jovial mood, perhaps thanks to a new Quinnipiac poll showing Trump with his widest lead yet. Trump now at 28 percent support, 16 points ahead of his closest competitor, Ben Carson.</s>TRUMP: We're going to win.</s>MURRAY: And attributing his rise to widespread frustration with Washington.
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