Twenty years ago, David Lange trashed New Zealand's defence relationship with the United States, on the back of his totemic "no nuclear ship visits" policy. It had the effect of shuffling the Kiwis into the neutral corner, and off the winner's podium, just five years before the Western alliance triumphed in the great ideological rivalry of the 20th century. Yet, in the mythology of his own nation, Lange continues to be celebrated as a brave visionary, rather than as a poseur and dilettante who misread badly the pulse of history. Following his death at the weekend, there have been many...