One of international diplomacy's worst-kept secrets is that Prime Minister Harold Wilson's oil embargo against Rhodesia has been a dismal failure. An even greater failure, however, was Britain's inability to see what was coming, since Britain herself is an old hand at blockade running and embargo breaking. Last week a new hand at the game sent Wilson into somewhat of a tizzy.
He is a wily South African entrepreneur named Rudolf Raphaely, who was attempting to run 400,000 tons of crude oil from the Persian Gulf to Rhodesia's main oil terminal—the Portuguese Mozambique port of Beira, which is connected with...