Is Trump being played by Kim Jong-un?
World View: History suggests North Korea-US rapprochement destined to fail
Fade of optimism
A cycle is well-established: faced with some internal or external pressure, Pyongyang agrees to talks on its nuclear programme, banks the benefits and then pulls the plug
The prospect of a meeting with a US president will give Pyongyang a propaganda boost, showing it precisely what status nuclear weapons can bestow