Yet at first glance, he is of the Establishment he now challenges. He comes from a long line of soldiers, grew up in Berkshire, near where he lives, went to Marlborough, where he played a lot of rugger and football, did some falconry and “not much work”. Aged 17, he enlisted in the Royal Green Berets and trained at Sandhurst, followed by several “hot and sweaty” years leading soldiers into the high plateau of Borneo.