A decade ago, most Western analysts thought a split between the Soviet Union and China inconceivable. Today, the analysts find the notion that Moscow and Peking will make up any time in the foreseeable future equally inconceivable. Indeed, even in agreeing to hold border talks with the Soviets, the Chinese spoke of "irreconcilable differences" with Moscow. Yet what if the inconceivable should occur once again, and Moscow and Peking were able to reach a genuine reconciliation? Among the possibilities:
∙IN CHINA AND THE SOVIET UNION: Along the 4,500-mile Sino-Soviet frontier, where both sides...