Suddenly there were mash-ups of Rubio's repetitions everywhere, and Twitter and other social media platforms were rife with derision. Commentators competed in ridiculing the Rubio "glitch."
Again, the Republicans engaged in an intense brawl that was framed by Carson's delayed entrance and an tough confrontation between Chris Christie and Marco Rubio.
It's the last debate before the New Hampshire primary and Donald Trump is back onstage. Which GOP candidate will end up with the most talking time?