What’s going on with North Korea is a cautionary tale in rushing diplomacy

Amid talks of a historic deal with North Korea and a possible Noble Peace Prize for President Donald Trump (chiefly among his GOP supporters, his aides, and, well, himself), North Korean leader Kim Jong Un seems to be slamming the brakes on the negotiations.

While White House spokeswoman Sarah Huckabee Sanders said the Trump administration is “still hopeful that the meeting will take place,” signalling that the president is ready for “tough negotiations,” it&...