Maybe because he saw the speech?
Your whole low rent, mildly retarded, version of Charles Krauthammer act would go down a lot easier if you’d actually inform yourself and watch speeches rather than making a donkey out of yourself by demanding that someone ‘prove’ something that could never possibly be proven.
Lucky for you, someone will probably upload the interview to YouTube.
Well, if the subject is "mildly retarded", I acquiesce to you. You, after all, seem to be the resident authority on that topic.