Buffett believes that the U.S. dollar will lose value in the long run. He views the United States' expanding trade deficit as an alarming trend that will devalue the U.S. dollar and U.S. assets. As a result it is putting a larger portion of ownership of U.S. assets in the hands of foreigners.
He does not carry cell phone, does not have computer at his desk. He does not even have chauffeur and drives his own car. My kind of guy. I hate cell phones. Makes it harder to avoid people.