There are odd couples. Then there’s Taiwan and Paraguay. The high-tech island nation and its rural, landlocked South American ally sit on opposite sides of the earth. United in 1957 by two military rulers — Chiang Kai-shek and Alfredo Stroessner — driven by anti-Communist fervor, this improbable duo have been inseparable ever since. Today, however, Paraguay finds itself a member of a shrinking global club. China has flexed its economic muscle to force countries, including Paraguay, to break ties with Taiwan, which China considers part of its territory. Paraguay today…