“I told Rex Tillerson, our wonderful Secretary of State, that he is wasting his time trying to negotiate with Little Rocket Man. Save your energy Rex, we’ll do what has to be done!” Mr. Trump said in a series of tweets.
“Being nice to Rocket Man hasn’t worked in 25 years, why would it work now? Clinton failed, Bush failed, and Obama failed. I won’t fail,” Mr. Trump said.
Mr. Trump had earlier also referred to the North Korean leader as ‘Rocket Man’.
In his tweets, Mr. Trump went public in differing with Mr. Tillerson on having talks with North Korea.