Live from Zürich: As world leaders convene at the UN General Assembly, is the organisation facing a crisis? Plus: Austria pushes back against Eurovision boycotts; and can hard liquor make learning languages easy?

The widening global conflict at the US diverts South Korean missile defences to the Middle East
33:22

With promises of a short war, how likely is a quick collapse or popular uprising in Iran?
34:58

As oil prices pass $100 a barrel, the G7 holds off releasing emergency stockpiles
41:01