David talks to Aaron Rapport about the most destructive weapons of all and how they continue to shape international politics.
From the G7 to the Singapore summit, it's Trump's world: we just live in it. This week we try to get some perspective on these spectacular events. Is Trump's behaviour really unprecedented for an American president? What is the point of the G7? Where is his relationship with Kim heading? Plus we compare with summits past: Nixon in China, Reagan & Gorbachev, or something new? With Helen Thompson and Andrew Preston, who gives a Canadian view. Next week: Grenfell.
As the world wonders what Vladimir Putin is up to, we ask Bridget Kendall, former BBC correspondent in Moscow. We talk about what really happened in Salisbury, what the masterplan is and whether Putin is succeeding in his goal of splitting the West. Plus we catch up on the latest comings and goings in Washington and ask whether Corbyn's stance on Putin is doing the Labour Party lasting harm. With Aaron Rapport and Helen Thompson.