OVER a period of four days beginning Friday last week, 140 Chinese warplanes flew into Taiwan's air defense identification zone, triggering what the Taiwanese defense minister described as "the most serious" buildup of tensions between China and Taiwan in more than 40 years. Minister Chiu Kuo-cheng also warned that China could mount a "full-scale" invasion of Taiwan by 2025. He noted that about 380 Chinese warplanes entered Taiwan's air defense zone last year and more than 600 such intrusions have taken place so far this year. Not only that: Beijing now has two aircraft carriers and is going full speed...