On Wednesday, US President Donald Trump said the US-Iran ceasefire is over. Is he spoiling for war? Or has Iran overplayed its hand? And where does that leave the hope of a more lasting peace? Finally, how much of the problem arises out of the fact Trump wants to be seen as the winner, when he is not, and Iran wants to ensure its claims over the Strait of Hormuz are recognised, which is difficult for others to accept? Those are the key issues that Karan Thapar raises with the Foreign Editor of The Economist, Adam Roberts. Watch the full interview.