That verifies that Trump knows how to negotiate.
The “art of the deal” is to be certain that you have something the other side wants badly enough to make a deal and to use that.
The USA as the greatest nation on earth has many many things other nations want, but we have a president who does not recognize even the basic fact that we have those things that are valuable in a trade.
In other words, Christie could never have pulled it off nor could Florina, because neither of them have that which CNBC would consider valuable enough to panic their advertisers.