Warren Buffett and Donald Trump are two extraordinary men. One is modest and wise, the other vulgar and venal. How sad it's the latter who now defines America, writes DOMINIC LAWSON

This was a career like no other; but at the age of 94, and after 60 years at the helm of his company Berkshire Hathaway, on Saturday Warren Buffett told the annual public meeting of his adoring shareholders that he was leaving them.