This is a summit with Yeltsin in a post-Yeltsin era. There's the complexity of dealing with a leader that may pass from the scene quickly, even though he doesn't intend to.

This marks the end of the post-communist era.

When Arianna Huffington founded 'The Huffington Post' in 2005, a whole new era of journalism began.

This is a long-lead-time business; the investment horizon is five, 10 or 20 years. There's no switch to pull.

So the major obstacle to the development of new supplies is not geology but what happens above ground: international affairs, politics, investment and technology.

You'll have innovators and entrepreneurs and people trying ideas that may seem sensible today or may seem way out. But out of that whole soup will emerge some new ways of doing things.