The issue is not the supply of crude oil. Where there is an issue is natural gas in the U.S.

We continue to see Exxon Mobil as the benchmark for operational performance in the sector. On ROCE (return on capital employed), Exxon Mobil continues to lead the industry and we see this leadership sustained through our forecast period through 2009.

Exxon has really been about discipline. What Exxon brings to the table is their balance sheet, the technical expertise, and their operational management and development. That's where they shine.

Others have been more willing to take risks. Some say Exxon is actually being blind and missing out on huge opportunities for growth.