What did he expect Ill dum wun to do, ignore him? Trump is clueless when dealing with other people.
"On that same day, President Trump said he believed Kim was “starting to respect us.”
Kim’s initial response was to launch a salvo of three ballistic missiles on August 26 and one on August 29. The second part of the response was Sunday’s test of a nuclear bomb of some sort."
The article, on how to effectively deal with NK:
http://www.thedailybeast.com/north-korea-says-it-successfully-tested-hydrogen-bombits-time-to-nuke-the-north-korean-economy