LONDON -- Occasionally in the media we will read the blindingly obvious from a university in Texas or wherever that after a year's research they can reveal that diving from a cliff into a ravine is dangerous. Or some other statement that we all know.

Christopher Davies

This month Lord Stevens has filled the "night follows day" role by first confirming that after an investigation costing £3.7 million into the death of Princess Diana it was due to the fact a drunken driver was behind the wheel when the car hit the wall at twice the speed limit, the passengers not wearing seat belts.