Andrew Mueller unpacks the latest round of nuclear talks between the US and Iran, asks why Trump is now eager after rejecting the previous deal and why Iran has fewer cards to play than in the Obama years.

Like father, like son: Are the Bolsonaros set to take Brazil or can Lula fight back?
32:16

Explainer 538: Are Ethiopia’s enemies uniting?
06:06

As war threatens to accelerate across Europe, why are some countries still stuck in neutral?
27:09