In 2019, Trump was to meet with Kim Jung Un in Vietnam.  But the meeting broke up abruptly for reasons what were never explained.
 https://www.nytimes.com/2025/09/05/us/navy-seal-north-korea-trump-2019.html  

A now curious and simultaneous event where Seal Team 6 attempted to invade N Korea.  Implant listening devices in Kim's communication facilities.  The raid failed.  So a curious question.  Did that explain Trump's terminated meeting with Kim?