He's simply saying that he knows everything, that's all. River rat and Joan Kerry are smarter than us. They would never live someplace that is threatrened by nature such as San Francisco to earthquakes, or Sacramento which is surrounded by levees protecting the entire city from spring floods. They are smart. We are dumb. Live with it.
Hey Uncle Sham! Good to hear from you. I wondered if you were still around. Gets frustrating doesn't it?