The strategic insights of game theory experts like Thomas Schelling that shaped deterrence remain relevant as Trump constantly piled the pressure on Kim through a range of threats, from the ones he acted on like tough sanctions and others like strikes on North Korean facilities that he didn't.
It futher sees the USA and North Korea agree to "establish new relations", and 'join their efforts to build a lasting and stable peace regime on the Korean Peninsula'.
The sanctions will remain in force until full denuclearization, the United States president said, noting that he is "looking forward" to it. "The world will see a major change".
It may have also opened the door to Trump Towers Pyongyang.
"His country has to be de-nuked and he understood that, he fully understood that, he didn't fight it", Trump said.
I said, 'Boy, look at that view. Think of it from a real estate perspective.
Sputnik: How would you assess the agreement that they ended up signing?
Donald Trump's dramatic meeting with North Korea's leader may have been choreographed to look like a Nixon-goes-to-China moment, but the summit appears to have failed to secure any concrete commitments by Pyongyang for dismantling its nuclear arsenal.
"Inter-Korean talks need to be successfully carried out side by side", he said.
Kim did pledge to destroy one particular missile-engine testing site, according to Trump-though this was not in the agreement they signed. And so we're putting him on the same stage as the American president. Sometimes I felt foolish doing it.
Secretary of State Mike Pompeo tweeted that the U.S. negotiating team "delivers for America's swagger".
Reactions to the summit and to Trump's post-summit statements have been predictably mixed.
'He wants to do the right thing, ' he said of Kim.
Many are freaking out over Trump's real estate comments, but it's hard to tell how seriously he meant them and, hey, capitalist development has helped defang dictators at least as bad as Kim.
Trump may be credited with creating a positive atmosphere around the talks in Singapore, where a day of bonhomie in front of the cameras contrasted sharply with last year's exchange of insults and threats with Kim that raised fears of war.
U.S. President Donald Trump waves after a news conference as a secret service agent walks at the Capella Hotel on Sentosa island in Singapore June 12, 2018. This kind of a face-to-face meeting with a USA president is something that North Koreans have wanted for decades and Kim Jong-un can say he succeeded.
Strossen draws attention to the fact that prohibitions of "hate speech" are characterized by unavoidable vagueness and overbreadth. Specific to laws about speech, vagueness "inevitably deters people from engaging in constitutionally protected speech".