Great speech?? Well, he's entitled to his opinion, but I watched what he's categorizing as a speech and Christie took bis best jab at Trump, blowing his usual hot air. I wonder if his speech was so great that he is now ranking above Haley and DeSantis.

Opinion: The finest speech ever given in a presidential debate I’ve watched more than 8,000 debates. Admittedly, my life is not terribly exciting. But after Wednesday night’s fourth Republican presidential debate at the University of Alabama, I was rollin’ like the tide.
If you were lucky enough to watch, you were treated to the finest speech ever given in a presidential debate. Let’s get right to it — here’s how the four candidates scored:
Chris Christie: A+
Since all great speeches should have a title, I’m naming it “Chris Christie’s Retribution Speech.”
To make a memorable argument in a debate, you need at least three things. First, the issue being debated has to be salient. Second, you need to lock down your position with good examples and evidence. Finally, your delivery is crucial. But even that’s not enough. For an argument to stand out in a debate, it must contain all three of those elements — and it must be a position not yet heard by the debating audience.
The “Chris Christie Retribution Speech” met all the criteria. ..........
https://www.cnn.com/2023/12/07/opinions/debate-coach-republican-presidential-debaters-graham/index.html