Summary transcript of his comments from March 24th, here:
Next was a discussion of how the production from the Baaken formation in North Dakota affected supply and demand in the U.S. It has had a favorable affect in that we now import about 8 million barrels per day and 4-5 years ago we imported about 11 million barrels. We are headed for 5-6 million barrels per day (of imports) within the next 10 years. Two favorable outcomes will be a stronger dollar and a delay of the time when we run short of oil, worldwide.