He says the person who comes closest to fitting the job description is Fran Townsend, whose official title is is assistant to the president and homeland security adviser.
Warren Buffett, the Omaha, Nebraska, investor whom Gates demoted to being merely the second richest American, seems an unlikely person to be among his closest pals.
The team said for a "typical person" the forces were almost unimaginable, the closest comparison they could make was with a rollercoaster -- though that is some way off.