Seems like you're pretty misogynistic if you automatically assume the person you think is stupid is a woman. I mean, I am joking about the misogynistic part, but I have no clue why you'd assume I'm a woman. Even my username has no reason to believe I'm a woman
And to answer your question, basically, he slipped up a lot of what he said during it, and this isn't the only rally I've seen where he's done it this year. There's also one thing the video says people were saying meant he didn't know where he was, although the guy in the video gave reason to say that one might've been misrepresented