Now Trump is taking the basic norm — that in a democracy, elected officials are supposed to be responsive to public opinion — and shattering it.

The basic norm of opposing political violence was not upheld. Senate Republicans tiptoed around the issue or ignored it altogether.

Chinese and English versions of the term “basic norm in international relations” were introduced at around the same time in 2016, the year President Tsai Ing-wen of the Democratic Progress ...

Now Trump is taking the basic norm — that in a democracy, elected officials are supposed to be responsive to public opinion — and shattering it.