Keeping in mind he was speaking to a national audience, many of whom dolts who had tuned in to watch American Idol. So the “dumbing down” may have been deliberate. He’s a completely different person on Hannity or in his stump speeches.
Keeping = Keep
I would agree with you had I seen only a hint of gravitas or the beginnings of something like a Barry slayer—it isn’t there—he WILL NOT BEAT THE KENYAN.