Former American Secretary of State, joint-winner of the Nobel Peace Prize for ending the Vietnam War, survivor of the Water-gate scandal, DR HENRY KISSINGER is a man of power and paradox. A consummate tactician, he combined ruthlessness with political vision, and played a major role in America's relations with the world during the Nixon years. Now he is out of power, critics are questioning the value of his long-term political achievements. Was he ' the man who balanced the world' or ' a man pedalling downhill fast through an earthquake, the wreckage closing in behind him'?