Overview:"Why did we do it this way?" Essential moments from the previous programs are reviewed to illustrate the common factors that make for change. Will they go on operating to affect our futures? And if so, can we recognize them? The second half looks at the extent to which we have become increasingly incapable of understanding how change occurs in our complex world and at why we are in such a predicament. Finally, there is a look ahead to the need for radical change in the availability and use of information in the future, if we are to remain in control of our destinies.