As the rhetoric increases on both sides, all eyes are focussed on Washington and Pyongyang. With intelligence suggesting North Korea's nuclear programme is at an advanced stage, how will the world react? And how far can it live with a nuclear North Korea?
Also: why we may not be ready for the next financial crash and why there are renewed calls for all doping athletes to be banned for life.
Picture: Kim Jong-un and Donald Trump, Credit: AFP/Getty Images