One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.
The President has a wonderful sense of humor which is one of the reasons it is so much fun to work for him.
The travel and tourism industry it's just a huge part of our economy.
Humor results when society says you can't scratch certain things in public...