We begin with the Trump-Kim summit, which is now cancelled as the US president made a sudden U-turn in diplomacy. Donald Trump, in his letter to the DPRK's top leader, Kim Jong Un, said it was "inappropriate" at this time to have this meeting. Let's take a look at the details.

On Thursday, US President Donald Trump wrote a letter to DPRK leader Kim Jong Un, announcing his withdrawal from what would have been the first-ever meeting between a serving US president and a DPRK leader in Singapore on June 12th. Trump said his decision was due to "the tremendous anger and open hostility displayed" in the DPRK's most recent statements. Earlier, Pyongyang had repeated the warning that it would reconsider whether to attend the meeting with Trump.

Trump's letter came just after the DPRK announced it had completely dismantled its Punggye-ri nuclear test facility. And Pyongyang's immediate reaction to the sudden u-turn was conciliatory. DPRK First Vice Foreign Minister Kim Kye Gwan called Trump's decision "unexpected" and "regrettable", but still left the door open for dialogue at any time. And that seems to be in line with Trump's sentiment, as he welcomes a response from the DPRK. Regardless, "This missed opportunity is a truly sad moment in history."