LONDON – Memories are short, too conveniently so. The life and death drama now being played out in Zimbabwe in southern Africa is a tragic illustration of this human weakness that knows no colour line. Thirty five years ago the then named Rhodesia, a British colony, ruled by a white minority, made its unilateral declaration of independence. The break with the mother country had come after an acrimonious period of resisting pressure from London to modestly widen the franchise. For fourteen years Rhodesia was a pariah state, boycotted by order of the UN Security Council, yet finding ways to circumvent the embargo and prosper in a way that, if it had happened today, would make Saddam Hussein green with envy. Even the big British oil companies, Shell and BP, connived in the sanctions busting with, if not a nod, at least a wink from Britain’s Labour government. That was Britain’s mistake...