From Columbia Business School in New York City, CNBC brings together two of the most successful men in business -- Bill Gates and Warren Buffett -- for an hour-long question and answer session with students.
Oil's current price is due to a weak dollar and expectations for a return in demand says Daniel Yergin, chairman of IHS Cambridge Energy Research Associates. He also discusses China's demand for oil and its push into alternative energy, with Donald Straszheim of ISI Group and CNBC's Martin Soong and Sri Jegarajah.