Imagine the following "European rockets sink U.S. aircraft carrier in Taiwan Straits." Such a headline is unlikely, of course. If such an event were ever to happen, it would mean a massive crisis had erupted both in Asia and across the Atlantic. Very likely, it would indicate the end of the Atlantic alliance -- and perhaps a new cold war between the United States and a new Euro-Chinese axis. But such a headline is far from impossible if two current political trends continue uninterrupted. The first such trend was seen in the streets of Taipei last weekend. Demonstrators favoring full...