Taiwan is again becoming a flashpoint between China and America (The Economist 2018-4-5)

https://www.economist.com/news/asia/21740049-unlike-tensions-over-trade-and-north-korea-it-involves-red-lines-both-sides-taiwan-again

https://www.nownews.com/news/20180406/2730811

see also

http://www.chinatimes.com/newspapers/20180407000439-260119