No, he did not. Rush just played a clip of his answer, and it was good. A president surrounds himself with good advisers who will school him on some of these things. Your opinion - is just that - your opinion. I doubt that your candidate knows all the answers either - none of them do - and none of them have all the answers to the problems our country faces. That’s why there is safety in a multitude of counselors.
I heard the audio this morning. Trump sounded clueless: "Uhhhh..." He tried to cover up with an attempt to seem knowledgeable---the remark about the Kurds---but it didn't work.