I don’t ever underestimate my father’s capacity to surprise and to solve problems, but nor do I forget that his very capacity to solve problems has burdened him with the propensity to find problems where none exists. We all know the ancient story of the Gordian knot, a tangle so complex that it was said he who could untie it would rule the known world: Alexander simply slashed it open with his sword. My father could never, never cut a Gordian knot—he might complicate it further and eventually solve it, but by the time he did so the known world would have moved on.